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Download MBBS Biochemistry PPT 78 Nutrition Health Is Priority Of All Human Beings Lecture Notes

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This post was last modified on 05 April 2022

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Human Being's Life?
Pick One First Most Important Thing

? Health
? Wealth

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? Happiness
? Success
? Peace

Answer

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Health Is Priority Of Al Human Beings


What is Most Important

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Factor For Health?

Energy

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Chemical Form Of Energy

ATP
ATP Producing Factors

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? Air (Oxygen )

? Food/Diet (Nutrients)

Any Guesses For Todays Topic?

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Specific Learning Objectives
? What is Nutrition ?

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? Importance of Studying Nutrition

? Nutritional Goals and Guidelines

? Food Nutrients and their roles

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? Calorific Values/Energy content

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of Food nutrients

? Energy requirement by a body

? Basal Metabolic Rate (BMR)

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? Respiratory Quotient(RQ)

? Specific Dynamic Action (SDA)
? Balanced Diet and its Importance

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? RDA of various Nutrients

? Nutritional Disorders and Preventive Measures

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? PEM- Kwashiorkor and Marasmus

? Obesity

INTRODUCTION

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What is Nutrition?

Nutrition is a wide branch of Science

which deals with:

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vHuman food its role in human body
vEnergy contents of food nutrients
vEnergy requirement by Human Body
vNutritional Disorders

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Importance Of Studying Nutrition

Evidenced Based Eating

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(EBE)
Know Do's and Don'ts Of Eating

So That One Can Understand Its Truth of

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Significance

Implement Do's and Avoid Don'ts

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Of Eating

Evaluate Its Significance in form of

Strength and Health

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Spread To Others - Family and Patients

STUDY OF NUTRITION

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WILL

ANSWER FOLLOWING

QUESTIONS

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? WHY TO EAT FOOD ?
? What and How to Eat Food?
? What are dietary nutrients and their role

in human body?

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? What are Macro and Micronutrients?
? What Quality and Quantity of dietary

nutrients to be ingested?

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? What happens if food is eaten in a

balanced/imbalanced manner?

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vKnowledge Of Nutrition Explores

vHow thoughtful y and rightly one can

choose particular food/ type of diet?

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vPlanning of balanced diet in various

phases and conditions for good health
vNutritional Studies Involves

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vRelation of Nutrients in health and

disease

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vUnderstand and Prevent Nutritional

disorders due to under and over

nutrition

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vNutrigenomics- Effect of Nutrients on

Genes

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What Is Main Purpose

of Eating Food ?
?Food/Diet is a prime

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requisite for human body

health, survival and

existence

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Importance of Food Nutrients

What we eat is directly/indirectly

related to

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Composition and Function of

Sub Cellular Organelles,

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Cells,Organs,System,

Body as Whole

? Main purpose of Food is to:

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? Supply basic building blocks, to build

Macrobiomolecules, for structural

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composition of Cells,Organs,System and its

function

? Provide Energy (Fuel) for cellular activities

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? Enable to ingest and provide accessory

growth factors

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? Role Of Human Food

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? Build Cel and Subcel ular Structures
? Maintain all body functions
? Regulates Metabolism
? Therapeutic benefits of food

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?Healing of diseases
?Prevention of diseases


? Remember Proper Nutrition

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? Maintains normal growth, health

and reproduction.

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? Rewards healthy and happy life

? Improves life span
Remember

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Defective Nutrition

Is Root Cause Of Many Disorders

How Should Be Our Eating?

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One Should Eat

To Live

A Healthy and Happy Life

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SOP's Of Eating Nutritive Food

? Simple
? Natural

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? Balanced (Mixed)
? Appropriate quality and quantity
? Fixed
? Regular
? Timely

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? Utilization of unutilized stores (Fasting)
Essentials for Healthy Life

?Ingest food Nutrients

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with

?Proportionate Quantity
?Appropriate Quality

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?Ignorance and wrong

food habits are

?Responsible for most

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il nesses of Human being
? `Prevention Is Better Than Cure'

?Good and Proper diet is a

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best way to prevent many

diseases.

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? A sound knowledge of nutrition to a

doctor is of paramount importance

?To maintain his/her own good

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health

?Advice for planned diets/Moderate,

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to patients to maintain their good

health's.
DIETARY GOALS

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Phase Wise Diet

? Maintenance of a state of positive health and optimal

performance in populations at large by maintaining

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ideal body weight.

? Ensuring adequate nutritional status for pregnant

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women and lactating mothers.

? Improvement of birth weights and promotion of

growth of infants, children and adolescents to achieve

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their ful genetic potential.

? Achievement of adequacy in al nutrients

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and prevention of deficiency diseases.

? Prevention of chronic diet-related disorders.

? Maintenance of the health of the elderly and

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increasing life expectancy
Nutritional Goal Is To Accomplish

Structural Composition And Function

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Of Every Body Cel To best

? Quantity of food promotes a constant

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BMI


? Quality of food promotes functionality

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43

DIETARY GUIDELINES

Do's and Don'ts Of Eating Food

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? Eat variety of foods to ensure a balanced diet.

? Ensure provision of extra food and healthcare to

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pregnant and lactating women.

? Promote exclusive breastfeeding for six months and

encourage continue breastfeeding til two years or

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as long as one can.

? Feed home based semi solid mixed foods to an

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infant after six months.
? Ensure adequate and appropriate diets for

children and adolescents, both in health and

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sickness.

? Eat plenty of vegetables and fruits

? Ensure moderate use of edible oils and animal

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foods and

? Very less use of ghee/ butter

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? No use of Vanaspati/ trans fats

? Avoid undereating /very less eating to

loose weight.

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? Overeating to prevent overweight and

obesity

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? Exercise regularly and be physical y

active to maintain ideal body weight.

? Restrict salt intake to minimum

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? Ensure use of safe and clean foods with natural

antioxidants

? Adopt right pre-cooking processes and appropriate

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cooking methods.

? Drink plenty of clean water and take beverages in

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moderation

? Minimize the use of processed foods rich in salt,

refined sugar and trans fats.

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? Include micronutrient-rich foods in diets of elderly

people to enable them to be fit and active

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? Nutrition Influences on:

? Health
?Appearance
?Behavior

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?Mood

48


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Mixed Type Of Diet Is A Healthy Diet



Composition of Food

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and

Their Role in Human Body

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or

Nutritive Value of Nutrients

What To Eat?

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And

What Not To Eat?
?Nutrients are organic

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or inorganic molecules

?Crucial y required for

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human growth & wel -

being.

? Food items derived from

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plant or animal sources

contain nutrients.

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? ~ 40 nutrients identified and present in

food items.
Chief Nutrients

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Of

Food Substances

Six Main Nutrients of Food Items

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? Carbohydrates
? Lipids (Fats)
? Proteins
? Vitamins

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? Minerals
? Water (Most Important)
Classification Of Nutrients

? There are four ways to classify 6 classes of

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nutrients:

I. Essential or Nonessential Nutrients

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I . Organic or Inorganic Nutrients

I I. Macronutrient or Micronutrients

IV. Calorific or Non calorific Nutrients

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? Essential Nutrients ?

? Nutrients not biosynthesized in body or

cannot make enough of to meet the bodies

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need.

? These nutrients must be obtained from foods.

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?Examples:

? Vitamins

? Minerals

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? Some of the amino acids and fatty acids.

? Nonessential Nutrients ?

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? Nutrients readily biosynthesized by

body from other ingested nutrients

Examples:

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?Cholesterol

?Non Essential Amino acids

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?Non Essential Fatty acids
? Organic Nutrients - contain carbon

? Carbohydrates
? Lipids

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? Proteins
? Vitamins

? Inorganic Nutrients - do not contain carbon

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? Minerals
? Water

? Macronutrients-

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? Required in large quantities

?Carbohydrates

?Lipids

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?Proteins

?Water
? Micronutrients

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? Required in small quantities.

? Minerals

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? Vitamins

? Energy-yielding nutrients /Calorific

Nutrients:

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?Carbohydrates
?Lipids
?Proteins

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66


? Non energy yielding/Non Calorific

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?Vitamins
?Minerals



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Main Food Groups

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Fruit and Vegetables

Fruits and vegetables grow

on plants: underground, on

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Take

the ground or in trees.

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5 a day

Every day we should eat at

least 5 portions of fruit and

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everyday!

vegetables. (A portion is

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about a handful.)
Fruit and vegetables give us

fibre and vitamins and

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minerals.




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Grains and Pulses

This food group includes

wheat, corn, barley, rice,

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lentils, beans etc.

What is..?

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These are all from plants

Rice is the staple food in China

and form a staple part of

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and much of the East. What is

the diet for people all over

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it in the West (UK, USA)?

the world.
Grains and pulses give us

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carbohydrates and proteins.
Nuts are another source of

protein.

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Dairy Products

Dairy foods are made from milk (usually

cow's milk, but can be from other animals

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like goats or sheep). Dairy foods give us

proteins and fats. They are also a good

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source of calcium which is good for bones

and teeth.

Weird fact

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These foods include:
?Cheese (hard, soft, cottage)

Ourbrainsare

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80%fat.

?Yogurt
?Food high in milk or milk products.

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Meat, Fish and Eggs

The main nutrients derived from meat are

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proteins, but it also gives us fats and some

minerals.
The meat and fish group includes: Foodie fact

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?Chicken and all poultry

Sushi (raw fish) is

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?Fish and shellfish

now Marks and

Spencer's best-selling

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?Beef, pork and lamb

lunchtimesnack.

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?Eggs are included in this group too.
Athletes eat lots of protein; they help to

build muscles.

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Body Composition




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GROUPS OF NUTRIENTS:

?Carbohydrates
?Proteins
?Lipids

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?Vitamins
?Minerals
?Water

Carbohydrates

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?Nutritional Carbohydrates:

?Sugars-simple Carbohydrates

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?Starch-complex Carbohydrates



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? Simple Carbohydrates:

? Mono and Disaccharides include:

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vGlucose

vFructose

vLactose

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vFruits,Milk,Juices and

Sweets

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?Complex Carbohydrates

are Present in

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?Starches

?Cellulose

vLegumes

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vWhole grains

? Simple Carbohydrates

? pop, candy, sweets, fruits

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? Recent studies reported Refined sugars are

Brain damaging and Poisons

? Complex Carbohydrates

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? pasta, rice, breads, potatoes

80
Dietary Fiber

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?Dietary Fiber

?Indigestible complex

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Carbohydrate

?Non calorific
Substances As Dietary Fiber

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? Cellulose
? Hemicellulose
? Pectin's
? Gum
? Lignin

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? Mucilage

? Sources Of Dietary Fibers

? Richly present in plant food

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substances.

? Poorly present in refined and

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commercial food products.
Types Of Dietary Fibers

? Soluble Dietary Fiber ?

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? Decreases Cholesterol levels
? Found in oat bran, fruits and veggies

? Insoluble Dietary Fiber-

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? Reduces risk of colon cancer
? Found in wheat bran and grains


? Recommendation of Dietary Fiber:

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? 25-40 gm per day

Check

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are we getting enough

Dietary Fiber through foods ?

Ways to Get More Fiber

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? Eat more fruits

and vegetables

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? Eat whole grain

foods
Advantages Of Dietary Fiber

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? Act as roughage

? Holds water

? Forms soft and bulky feces

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? Increases bowel movement

? Easy defecation

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? Prevents constipation

Advantages Of Dietary Fiber Contd---

?Dietary fiber corrects

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?Hyperglycemia
?Hypercholesterolemia
Advantages Of Dietary Fiber Contd---

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? Fiber Reduces risk of:

?Diverticular disease of colon
?Colon cancer
?Varicose veins

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Advantages Of Dietary Fiber Contd---

?Good satiety and non

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calorific value of dietary

fiber

?Helps in management of

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obesity.
Disadvantages Of Dietary Fiber

? It binds with trace

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elements and reduces its

absorption.

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? Decreases absorption of fat

soluble vitamins.

A Grain of Wheat

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BRAN
- B vitamins

- minerals

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ENDOSPERM

- dietary fiber

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- starch

- protein

- some iron and

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GERM

B vitamins

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- Essential fats

- minerals

- vitamins

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(B's , E and folacin)
? Germinated legumes have

partial dextrinization of

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Starch.

? Which is good for digestion,

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absorption and utilization.

Role Of Carbohydrates

v Readily available source

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v Supply primary energy needs
v Antiketogenic
v Build structure of cells
v Store calories as Glycogen
v Excess Carbs convert to Fat

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v Amino acid synthesis
v Cellulose as roughage
Quantity And Quality Of

Carbohydrates To Be Ingested

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? RDA for Carbohydrates-

400-600 gm/day

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? An Adult individual with

his/her routine activities

should adjust the

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Carbohydrates intake.


? Ingestion of Starchy food is more

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preferable.

? Refined sugars have high glycemic

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index so quantity should be reduced.

? Excess of Glucose transforms to

Lipids viz Fatty acids,TAG,Cholesterol

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? Dietary fiber in form of Celluloses to

be ingested.

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Hypoglycemia and Hyperglycemia

Relates To Glycemic Index (GI) of Foods


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?Dietary Proteins

?Provide essential amino acids
? Building blocks for tissue

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Proteins

?Proteins are of structural and

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Functional importance

?Maintain growth, repair and

function of the body cel s and tissues.

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Nutritional Classification Of Proteins
? Dietary Proteins nutritional y

classified into two groups:

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?Complete Proteins
?Incomplete Proteins

? Complete Proteins/ First Class

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Proteins/High Biological y Valued

? Complete Protein contains adequate

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amounts of al essential amino acids.



SOURCES INCLUDE:

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Animal Origin Proteins

?Fish

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?Meat

?Poultry Meat and Eggs,

?Milk, Cheese and yogurt

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?Soya Bean products


? Incomplete Proteins

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? Incomplete Proteins lack one or more

essential amino acids (limiting amino acid).
SOURCES INCLUDE:

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? Beans

? Pulses ( Limit in Met)

? Nuts

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? Whole grains (Limit in Lys and Thr)

? Types of Amino Acids (20 AA)

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? Nutritional y Nonessential AA (10) ? can be

biosynthesized by body

? Nutritional y Essential AA (8) ? Not biosynthesized

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must be made available through diet

? Nutritional y Semi-essential AA (2)- Made in body to

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less amount need also from diet
Dietary Protein Requirements

? RDA average = 0.8-1.0 g/kg body weight/Day

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? RDA Athlete = 1.2-1.6 g/kg/day

?High levels of Dietary

Protein intake

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above 2 g/kg/day

can be harmful

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to the body
Evaluating Protein Quality



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? Biologic Value (BV) of Protein:

?Amount of ingested Nitrogen

retained in the body

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compared with Nitrogen

absorbed.

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Biological Value Of Proteins

?Dietary Proteins differ in

their quality i.e

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?Efficiency of digestibility

and absorption capacity.
? An effectiveness of dietary

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Protein is in

? Providing amount of

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essential amino acids for

tissue Protein biosynthesis.

Biological Value = Nitrogen Retained x 100

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Nitrogen Absorbed

Biological Value of Protein is

Percentage of Nitrogen

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absorbed and retained in the

body.

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? Thus BV of Protein

indicates effectiveness
of utilization of dietary

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Proteins
? Proteins with high biological

value(B.V) are also termed as:

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? Superior Proteins
?Complete proteins
?First class Proteins

?All animal origin Proteins

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rich in all essential amino

acids are of high B.V.
? Dietary Proteins with high

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biological value

? Support good tissue

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biosynthesis and retain the

Proteins in body for their

functional use.

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? Net Protein Utilization (NPU):


?Percentage of Nitrogen

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consumed that is retained in
the body.
? Biological value of protein affects

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Nitrogen balance.

?Low B.V proteins leads to negative

nitrogen balance.

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?Increased loss of NPN substance

Urea in urine.

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? Plant proteins are of low B.V

? Since deficient in one or two

essential amino acids.

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?Complete Proteins with

high biological value

?Maintain Positive/Nitrogen

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equilibrium

Source Of

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B.V

Limiting Amino

Protein

--- Content provided by⁠ FirstRanker.com ---


acid

Egg

--- Content provided by‍ FirstRanker.com ---

94

Nil

Milk

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84

Sulfur containing

--- Content provided by​ FirstRanker.com ---

amino acids

Fish

85

--- Content provided by‍ FirstRanker.com ---


Tryptophan

Meat

--- Content provided by FirstRanker.com ---

75

Sulfur containing

amino acids

--- Content provided by⁠ FirstRanker.com ---


Soya Beans

65

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Sulfur containing

amino acids


--- Content provided by‌ FirstRanker.com ---

Source Of

B.V

Limiting Amino

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Protein

acid

--- Content provided by​ FirstRanker.com ---

Rice

68

Lysine and

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Threonine

Wheat

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58

Lysine and

Threonine

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Pulses

58

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Sulfur containing

amino acids


--- Content provided by‍ FirstRanker.com ---

Mutual Supplementation

Of

Dietary Proteins

--- Content provided by FirstRanker.com ---


Improves Biological Value

Of Proteins
? Eating combination of Pulses and

--- Content provided by‌ FirstRanker.com ---


Grains provides al required

essential Amino acids for tissue

--- Content provided by FirstRanker.com ---

Protein biosynthesis.

? Dal and Roti
?Rice and Dal
? Idli and Sambhar

--- Content provided by​ FirstRanker.com ---

?Rajma Chanwal
?Chhole Chanwal

Functions Of Dietary

--- Content provided by‌ FirstRanker.com ---

Proteins

? Supply amino acids for growth &

repair of body tissues

--- Content provided by⁠ FirstRanker.com ---


? Biosynthesize all tissue Proteins

?Hemoglobin

--- Content provided by‌ FirstRanker.com ---

?Nucleoproteins

?Glycoprotein

?Lipoproteins

--- Content provided by‍ FirstRanker.com ---

? Protein serve as a source of

energy :

?When there is shortage of

--- Content provided by FirstRanker.com ---


Lipids & Carbohydrates in the

body.

--- Content provided by‍ FirstRanker.com ---

? Proteins has role in metabolism

osmoregulation ,transport and

acid-base balance

--- Content provided by⁠ FirstRanker.com ---


?Enzymes

?Hormones

--- Content provided by FirstRanker.com ---

?Antibodies

?Receptors

?Transport Proteins

--- Content provided by‌ FirstRanker.com ---


?Osmotic Proteins

?ETC Components

--- Content provided by‌ FirstRanker.com ---

?Collagen (bones)

?Keratin (nails & hair)
? Dietary lipids predominantly

--- Content provided by FirstRanker.com ---

contains Triacylglycerol (TAG).

? TAG to human body serves as a

secondary source of energy on

--- Content provided by FirstRanker.com ---


long term basis.
?TAG stored as reserve food

in adiposecytes

--- Content provided by‌ FirstRanker.com ---


?Provides energy in

between meals , fasting

--- Content provided by‌ FirstRanker.com ---

and starvation condition.

? The other forms of dietary

lipids viz

--- Content provided by‍ FirstRanker.com ---


? Phospholipids and

Cholesterol has structural

--- Content provided by‌ FirstRanker.com ---

and functional role in the

body.
?Fats/Oils are type of

--- Content provided by​ FirstRanker.com ---

neutral lipids,

insoluble in water.

?Fatty acids are the

--- Content provided by‍ FirstRanker.com ---


building blocks of

various tissue Lipids .

--- Content provided by​ FirstRanker.com ---

Types of Fatty Acids

? Saturated Fatty Acids

? Animal sources

--- Content provided by‍ FirstRanker.com ---


? Solid at room temperature

? High intake is associated with an increased risk of heart disease

--- Content provided by‍ FirstRanker.com ---

? Unsaturated Fatty Acids (MUFAS and PUFAS)

? Vegetable sources

? Liquid at room temperature

--- Content provided by⁠ FirstRanker.com ---


? Associated with a reduced risk of heart disease

? Trans Fatty Acids

--- Content provided by⁠ FirstRanker.com ---

? Hydrogenation to alter "state" of fat example Vanaspati Dalda

? Increase shelf-life & market availability

? Repeated heating of Oils

--- Content provided by FirstRanker.com ---

Composition of Oils (%)

Type

Sat

--- Content provided by‌ FirstRanker.com ---


Poly Mono

safflower

--- Content provided by FirstRanker.com ---



09

75

--- Content provided by‍ FirstRanker.com ---




16

--- Content provided by‍ FirstRanker.com ---

sunflower

10

66

--- Content provided by​ FirstRanker.com ---


24

corn

--- Content provided by‌ FirstRanker.com ---

13

59


--- Content provided by​ FirstRanker.com ---


28

soybean

--- Content provided by⁠ FirstRanker.com ---

14

58


--- Content provided by‍ FirstRanker.com ---


28

sesame

--- Content provided by​ FirstRanker.com ---

14

42


--- Content provided by FirstRanker.com ---


44

peanut 17

--- Content provided by FirstRanker.com ---

32



51

--- Content provided by‌ FirstRanker.com ---


palm

49

--- Content provided by FirstRanker.com ---

09



42

--- Content provided by‌ FirstRanker.com ---


olive

14

--- Content provided by⁠ FirstRanker.com ---

08



78

--- Content provided by​ FirstRanker.com ---


canola

07

--- Content provided by‍ FirstRanker.com ---

35



58

--- Content provided by​ FirstRanker.com ---


? Those Fatty acids are

considered as good

--- Content provided by‌ FirstRanker.com ---

? Who on entry in body get

easily metabolized and

give good effect to body.

--- Content provided by⁠ FirstRanker.com ---

? Those Fatty acids are considered as

bad

? Which are more stable and get less

--- Content provided by FirstRanker.com ---


metabolized and remain for long

time in the body.

--- Content provided by FirstRanker.com ---

? As the fatty acids remain for long

time it increases the risk of

Atherosclerosis.

--- Content provided by​ FirstRanker.com ---


Quality and Quantity Of Dietary Lipids

? Quantity of Dietary Lipids 60 gm/day

--- Content provided by‌ FirstRanker.com ---

? Quality of Dietary Lipids:

? TAG with mixture of Fatty acids linked

? Fatty acids in ratio of MUFA:PUFA:SFA 1:1:1

--- Content provided by⁠ FirstRanker.com ---


? Zero Trans Fatty acids

? Equal proportion of Antioxidants To protect In

--- Content provided by​ FirstRanker.com ---

vivo PUFA's

? Adequate Carbohydrate Diet-No too much

excess of Glucose to transform into Fatty acids

--- Content provided by​ FirstRanker.com ---


and Cholesterol
? Fatty food is associated

?With fat soluble vitamins A,

--- Content provided by‌ FirstRanker.com ---


D, E, and K

?Sources of Linoleic acid-

--- Content provided by​ FirstRanker.com ---

essential fatty acid that is

needed for growth and

healthy skin.

--- Content provided by​ FirstRanker.com ---


Recommendations for

Fat Consumption

--- Content provided by⁠ FirstRanker.com ---

? Dietary Fat Recommendations

? Less than 30% of calories in diet

from dietary Lipids.

--- Content provided by⁠ FirstRanker.com ---


? Less than 1/3 of dietary fat

should be saturated.
? Ways to Decrease Intake of Fat

--- Content provided by‍ FirstRanker.com ---


?Minimize "fast" foods and Snacks

?Minimize processed foods

--- Content provided by​ FirstRanker.com ---

?Use better cuts of Red meat

?Use low fat alternatives

?No Pork Meat/ Fat

--- Content provided by⁠ FirstRanker.com ---


?Choose foods with "Natural Lipids"

Food s Should be rich In

--- Content provided by‍ FirstRanker.com ---

Essential Fatty Acids (EFAs)

? Linoleic acid (LA)

? Linolenic (LNA) or Alpha

--- Content provided by FirstRanker.com ---


Linolenic acid or (ALA)

? Arachidonic Acid
Omega-3 and Omega-6 Fatty acids

--- Content provided by​ FirstRanker.com ---


?Linolenic Acid (18:3n

-3) belongs to the

--- Content provided by FirstRanker.com ---

omega-3 family of

fatty acids

?Linoleic Acid

--- Content provided by‌ FirstRanker.com ---


(18:2n-6) belongs

to the omega-6

--- Content provided by‌ FirstRanker.com ---

family
Role Of Essential Fatty Acids

(EFAs)

--- Content provided by⁠ FirstRanker.com ---

? LA can be converted to both Arachidonic and Linolenic

acids

?Essential FA are necessary for growth, skin &

--- Content provided by⁠ FirstRanker.com ---


hair integrity.

?Regulation of Cholesterol metabolism.
?Lipotropic activity

--- Content provided by FirstRanker.com ---

?Decreased platelet adhesiveness and

reproduction.

? Rich Dietary Sources of

--- Content provided by​ FirstRanker.com ---


Linoleic Acid :

?Soya oil

--- Content provided by⁠ FirstRanker.com ---

?Sunflower oil

?Safflower oil

?Sesame seeds

--- Content provided by FirstRanker.com ---


?Corn oil

?Most nuts
? Dietary Sources Of Linolenic

--- Content provided by‍ FirstRanker.com ---


Acid :

? Flax seeds(abundantly )
?Walnuts(Small quantities)

--- Content provided by​ FirstRanker.com ---

?Cold pressed Canola oil
?Wheat germ
?Dark green leafy vegetables

? Diets with <1-2% EFAs

--- Content provided by‍ FirstRanker.com ---


will affect growth rate,
cause dry scaly rash
and poor wound
healing

--- Content provided by⁠ FirstRanker.com ---

? The right ratio of LA to ALA in the

diet

? About 3:1 or 2:1, is important

--- Content provided by​ FirstRanker.com ---

? An imbalance in the ratio
? May lead to a variety of mental

disorders,

--- Content provided by‌ FirstRanker.com ---

? including hyperactivity,

depression, brain allergies, and
schizophrenia

--- Content provided by‍ FirstRanker.com ---

? Docosa Hexenoic Acid (DHA-C22)

? Is high in the phospholipids of brain gray matter .

? DHA is rich in Algae and Fishes

--- Content provided by‌ FirstRanker.com ---


? It is the main component of CNS importance for its

function

--- Content provided by‍ FirstRanker.com ---

? Depletion of DHA in the brain can result in learning

deficits/Cognitive Function.
?DHA appears to

--- Content provided by FirstRanker.com ---

be important for

visual and

neurological

--- Content provided by⁠ FirstRanker.com ---


development

? EPA and DHA

--- Content provided by‌ FirstRanker.com ---

supplementation during

pregnancy

? Has evidenced beneficial

--- Content provided by​ FirstRanker.com ---


effects on long-term

cognitive development in

--- Content provided by FirstRanker.com ---

children
Functions Of Lipids

v A concentrated & reserve secondary source of

--- Content provided by⁠ FirstRanker.com ---

energy

v Physical protection for vessels, nerves, organs
v Insulate against changes in temperature
v Structure of body tissues, cell membranes &

--- Content provided by‍ FirstRanker.com ---


nuclei

v Carry the fat-soluble vitamins (A, D, E, K)
v Give appetite appeal

--- Content provided by FirstRanker.com ---

v Aid satiety (delay emptying time of the

stomach)

v Spare Protein

--- Content provided by FirstRanker.com ---

v Supply Linoleic acid, the other essential fatty

acids.

? High intake of animal origin

--- Content provided by FirstRanker.com ---


food is linked to increased

blood Cholesterol .

--- Content provided by‍ FirstRanker.com ---

? Excess Cholesterol can lead

to an increased risk of

Atherosclerosis and heart

--- Content provided by FirstRanker.com ---


disease.



--- Content provided by⁠ FirstRanker.com ---




Vitamins

--- Content provided by‌ FirstRanker.com ---

? Organic substances that are

vital for human body.

? Vitamins are accessory

--- Content provided by‌ FirstRanker.com ---


growth factors to human

body.

--- Content provided by FirstRanker.com ---






--- Content provided by‍ FirstRanker.com ---





? Vitamins are classified into two groups:

--- Content provided by​ FirstRanker.com ---


? Water-soluble Vitamins:

? Vitamins dissolve in water and pass easily into

--- Content provided by‍ FirstRanker.com ---

the blood during digestion.

? The body does not store these so they need to

be replenished regularly.

--- Content provided by⁠ FirstRanker.com ---


? Includes vitamins C, and Vitamin B Complex

members B1 ,B2, B3,B5, B6, Folic acid, and B12.

--- Content provided by‌ FirstRanker.com ---

? Excesses of water soluble

vitamins will be excreted in the

urine.

--- Content provided by​ FirstRanker.com ---


? However, B-6 and Niacin can be

toxic when ingested in

--- Content provided by⁠ FirstRanker.com ---

unusually large amounts.




--- Content provided by‍ FirstRanker.com ---






--- Content provided by FirstRanker.com ---




? Fat-soluble vitamins

--- Content provided by⁠ FirstRanker.com ---

? These include vitamins A, D, E, and

K.

? These Vitamins are absorbed,

--- Content provided by‌ FirstRanker.com ---


stored, and transported through
dietary fat.

? Body stores these vitamins in fatty

--- Content provided by‍ FirstRanker.com ---


tissue, liver, and kidneys.

? Excess buildup in tissues can be

--- Content provided by​ FirstRanker.com ---

toxic.Fat Soluble Vitamins

? Consist of Vitamins A, D, E, and K
? Absorbed at the small intestine in the

--- Content provided by FirstRanker.com ---

presence of bile (and fatty

substances).

? Overdoses can be toxic (A and D)

--- Content provided by FirstRanker.com ---

Vitamin Supplementation?

? Not necessary if diet is healthy
? Multivitamins are safe (100% RDA)
? Not all vitamins are "pure"

--- Content provided by FirstRanker.com ---

? Can be toxic at high doses

Vitamin A Role in vision, growth and Fish Liver

differentiation of germinal

--- Content provided by FirstRanker.com ---


Sweet

epithelial cells,

--- Content provided by FirstRanker.com ---

potatoes,

anticancer

Carrots

--- Content provided by​ FirstRanker.com ---


Vitamin B

Form Coenzymes, help

--- Content provided by⁠ FirstRanker.com ---

Green leafy

enzymes in metabolic

vegetables,

--- Content provided by⁠ FirstRanker.com ---


reactions

Fruits, yeast

--- Content provided by⁠ FirstRanker.com ---

Vitamin C

Collagen synthesis,

Citrus fruit,

--- Content provided by‌ FirstRanker.com ---


Steroidogenesis, Iron

tomatoes

--- Content provided by‌ FirstRanker.com ---

metabolism, Healing skin,

preventing colds

Vitamin D

--- Content provided by​ FirstRanker.com ---


Calcium metabolism,

Milk

--- Content provided by⁠ FirstRanker.com ---

Strengthen bones

Sunlight

Vitamin E

--- Content provided by​ FirstRanker.com ---


Potent Antioxidant,

Vegetable

--- Content provided by FirstRanker.com ---

Helps strengthen cells

Oils, nuts


--- Content provided by‍ FirstRanker.com ---






--- Content provided by‌ FirstRanker.com ---






--- Content provided by​ FirstRanker.com ---






--- Content provided by​ FirstRanker.com ---






--- Content provided by​ FirstRanker.com ---






--- Content provided by‌ FirstRanker.com ---


? Most of the vitamins except very few are

not biosynthesized in human body.

--- Content provided by⁠ FirstRanker.com ---

? Vitamins are associated with various plant

and animal origin foods of nature.

? Ingestion of foods rich in vitamins is

--- Content provided by FirstRanker.com ---


mandatory for a good health.

? Vitamins helps to maintain growth ,health

--- Content provided by‍ FirstRanker.com ---

and reproduction.

? They do not generate calories/Non calorific

? Most Vitamin B complex members serve as

--- Content provided by​ FirstRanker.com ---


Coenzymes for Enzyme action.

? Vitamins help to regulate many vital

--- Content provided by​ FirstRanker.com ---

body processes that include:

? Digestion
? Absorption
? Metabolism

--- Content provided by⁠ FirstRanker.com ---

? Bone Ossification
? Vision
? Antioxidant role

?

--- Content provided by‌ FirstRanker.com ---





Minerals

--- Content provided by FirstRanker.com ---


Minerals

? Inorganic elements found in

--- Content provided by‍ FirstRanker.com ---

food that are essential for life

processes

? About 25 are essential Minerals

--- Content provided by⁠ FirstRanker.com ---

?Minerals are classified

as:

?Macro minerals

--- Content provided by‍ FirstRanker.com ---


?Trace minerals

? Macro Minerals: Sodium,

--- Content provided by⁠ FirstRanker.com ---

Potassium, Chloride, Calcium,

Phosphorus, Magnesium, Sulfur

? Trace Elements: Iron, Zinc,

--- Content provided by​ FirstRanker.com ---


Selenium, Molybdenum, Iodine,

Copper, Manganese, Fluoride,

--- Content provided by‌ FirstRanker.com ---

Chromium
Macro Minerals

?Calcium

--- Content provided by​ FirstRanker.com ---

?Is needed for bone

and teeth rigidity

?Helps in blood

--- Content provided by‌ FirstRanker.com ---


clotting,

?Muscle contraction &

--- Content provided by‌ FirstRanker.com ---

normal nerve

functions.
?Phosphorous

--- Content provided by‌ FirstRanker.com ---

?Helps build strong

bones & teeth

?Forms various

--- Content provided by‌ FirstRanker.com ---


Phosphorylated

compounds.

--- Content provided by FirstRanker.com ---

? Sodium, Chloride,

Potassium

? Serve as body Electrolytes

--- Content provided by⁠ FirstRanker.com ---


? Work together to regulate

the fluids in the body

--- Content provided by⁠ FirstRanker.com ---

? Help regulate the nervous

system, muscle functions

& nutrient absorption in

--- Content provided by⁠ FirstRanker.com ---


the cells
? Magnesium

? Helps regulate body

--- Content provided by‌ FirstRanker.com ---


temperature,

? Muscle contractions & the

--- Content provided by‌ FirstRanker.com ---

nervous system

? Helps cells metabolize

Carbohydrates, Fats, and

--- Content provided by FirstRanker.com ---


Proteins

? Sulfur

--- Content provided by‍ FirstRanker.com ---

? Helps in detoxification

reactions (PAPS)

? Is present in sulfur containing

--- Content provided by FirstRanker.com ---


amino acids in proteins

? A component of constituents

--- Content provided by‌ FirstRanker.com ---

of mucopolysaccharides &
essential compounds
Microminerals

? Iron combines with Protein

--- Content provided by⁠ FirstRanker.com ---


to form Hemoglobin

? Iodine is needed by Thyroid

--- Content provided by‌ FirstRanker.com ---

gland to produce Thyroxine

? Copper is necessary in

formation of Hemoglobin

--- Content provided by⁠ FirstRanker.com ---


? Fluorine helps reduce

incidence of tooth decay

--- Content provided by FirstRanker.com ---

? Zinc plays an important role

in the formation of protein

? Zn assists in wound healing,

--- Content provided by FirstRanker.com ---


blood formation and general

growth & maintenance of all

--- Content provided by‍ FirstRanker.com ---

tissues
? Cobalt is a component of

vitamin B12

--- Content provided by‍ FirstRanker.com ---

? Manganese is necessary for

normal development of bones

and connective tissues

--- Content provided by‌ FirstRanker.com ---


? Chromium maintains normal

glucose uptake into cells &

--- Content provided by​ FirstRanker.com ---

helps insulin bind to cells

? Selenium along with vitamin E

protects cells from destruction.

--- Content provided by​ FirstRanker.com ---


? Glutathione Peroxidase

contains Selenium.

--- Content provided by​ FirstRanker.com ---

? Molybdenum is a component of

Xanthine oxidase and Aldehyde

oxidase

--- Content provided by⁠ FirstRanker.com ---






--- Content provided by​ FirstRanker.com ---


? Functions Of Minerals

? Body cannot manufacture Minerals

--- Content provided by​ FirstRanker.com ---

but are needed for forming healthy

bones and teeth .

? Regulate many vital body processes.

--- Content provided by FirstRanker.com ---

? Aids in muscle function
? Help transmit messages in nervous

system

--- Content provided by⁠ FirstRanker.com ---

Mineral Guidelines

? Dietary supplementation of

Calcium is beneficial for post-

--- Content provided by FirstRanker.com ---


menopausal women

? Salt should be limited in diet

--- Content provided by​ FirstRanker.com ---

of hypertensives.
Calcium

? Important for preventing osteoporosis
? RDA = 800-1000 mg/day

--- Content provided by‍ FirstRanker.com ---

? Found in dairy products and vegetables

High protein diets leach calcium from

bones and promote osteoporosis

--- Content provided by‍ FirstRanker.com ---


Iron

? Important component of

--- Content provided by‍ FirstRanker.com ---

hemoglobin

? Iron deficiency is known as

anemia

--- Content provided by‌ FirstRanker.com ---


(Symptoms: shortness of breath, fatigue)
Antioxidants

? Antioxidants are chemical substances which

--- Content provided by​ FirstRanker.com ---


defend free radical activities.

? Antioxidants prevents Peroxidation of

--- Content provided by FirstRanker.com ---

biomolecules ?PUFA,DNA etc

? Antioxidants protect membrane damage.

? Antioxidants prevent Oxidative Stress.

--- Content provided by​ FirstRanker.com ---


Dietary Sources Of Antioxidants

? Pigmented Fruits and Vegetables

--- Content provided by‌ FirstRanker.com ---

? Broccoli

? Bananas

? Berries

--- Content provided by‌ FirstRanker.com ---


? Cherries

? Cantaloupe

--- Content provided by⁠ FirstRanker.com ---

? Carrot

? Mango

? Papaya

--- Content provided by FirstRanker.com ---


? Pumpkin

? Red Pepper

--- Content provided by‍ FirstRanker.com ---

? Spinach

? Strawberries

? Sweet potato

--- Content provided by​ FirstRanker.com ---





Fresh Fruit and Vegetables

--- Content provided by​ FirstRanker.com ---


These contain Fibre ,Minerals, Vitamins

and Antioxidants

--- Content provided by FirstRanker.com ---




?Water makes up

--- Content provided by⁠ FirstRanker.com ---

around 65% of

body weight

Remember

--- Content provided by​ FirstRanker.com ---


?It's important to drink

at least 8 glasses of

--- Content provided by⁠ FirstRanker.com ---

water a day to

maintain health.
Role Of Body Water

--- Content provided by‍ FirstRanker.com ---

? Water is essential to keep the body

healthy.

? It helps to cook , swal ow and digest

--- Content provided by FirstRanker.com ---


food.

? It keeps the body hydrated.

--- Content provided by FirstRanker.com ---

? Water Helps to Maintain

Many body functions.

? Chief component of blood plasma

--- Content provided by​ FirstRanker.com ---


which serves as a transport media

? Bodies solvent helps in metabolic

--- Content provided by⁠ FirstRanker.com ---

reactions(Hydrolase and Hydratase)

? Lubricates joints and mucous

membranes

--- Content provided by⁠ FirstRanker.com ---



? Serve as Shock absorber in eyes,

spinal cord, and amniotic sac (during

--- Content provided by FirstRanker.com ---


pregnancy).

? Absorb , transport and eliminate

--- Content provided by FirstRanker.com ---

nutrients and metabolic wastes.

? Perspiration/sweating helps to

maintain normal body temperature.

--- Content provided by FirstRanker.com ---


Remember

?Man can live for many

--- Content provided by​ FirstRanker.com ---

days without food,


?But cannot live few

--- Content provided by FirstRanker.com ---

days without water.
Calorific Values Of Food

Constituents

--- Content provided by​ FirstRanker.com ---

OR

Energy Content Of Food

Nutrients

--- Content provided by‍ FirstRanker.com ---


Calorimetry
?Calorimetry is a term used

to measure energy content

--- Content provided by‌ FirstRanker.com ---


of food nutrients.

? Calorific value of food is defined

--- Content provided by FirstRanker.com ---

as :

? An amount of energy released

by combustion of 1 gram of

--- Content provided by‌ FirstRanker.com ---


nutrient

(Carbohydrate/Lipid/Protein)
Determination

--- Content provided by​ FirstRanker.com ---


Of

Calorific Values of Food

--- Content provided by‌ FirstRanker.com ---

Instrument Used For

Nutrients Energy Measurement

OR

--- Content provided by‍ FirstRanker.com ---


Computing Calorific Values Of Nutrients
?Bomb Calorimeter is an

instrument used to

--- Content provided by​ FirstRanker.com ---


determine Calorific values

of food nutrients.

--- Content provided by‌ FirstRanker.com ---

What Is Bomb Calorimeter?


Bomb Calorimeter

--- Content provided by​ FirstRanker.com ---

? It is a closed metal ic Oxygen

chamber with electrical y heated

platinum wires.

--- Content provided by‌ FirstRanker.com ---


? When food is placed inside it and

operated

--- Content provided by‌ FirstRanker.com ---

? It combust Nutrients placed inside it

and determines calorific value of

foods.

--- Content provided by‌ FirstRanker.com ---





? Nowadays there are highly

--- Content provided by‌ FirstRanker.com ---


automated efficient

combustion Calorimetric

--- Content provided by​ FirstRanker.com ---

systems available

? To compute an energy

contents of food and body.

--- Content provided by⁠ FirstRanker.com ---

Unit For Measuring

Calorific Values Of Food Nutrients

Calorie/kilocalorie

--- Content provided by‍ FirstRanker.com ---


? Calorie /kilocalorie is a Unit

for measuring heat energy, of

--- Content provided by‍ FirstRanker.com ---

food and energy requirement

for body.

? When you hear "Calorie," it is

--- Content provided by FirstRanker.com ---


real y a Kilocalorie

210
Is There Any Difference

--- Content provided by​ FirstRanker.com ---


Between Calorie and kilocalorie?

? "Calorie" we refer to in food is

--- Content provided by​ FirstRanker.com ---

actually kilocalorie.

? One (1) kilocalorie is same as one

(1) Calorie(upper case C).

--- Content provided by​ FirstRanker.com ---


? Calories and kilocalories are used

interchangeably to mean same thing.

--- Content provided by​ FirstRanker.com ---

Calorie and Kilocalorie

? "Calories" when we're talking about food

? "kilocalories" when we're talking about exercise

--- Content provided by‌ FirstRanker.com ---

Definition of Calorie

? 1 Calorie is amount of heat

required to raise temperature

--- Content provided by‍ FirstRanker.com ---


of 1 gram of water with 1

degree Celsius.

--- Content provided by FirstRanker.com ---

Calorific Values of Nutrients
? Macronutrients ( Calorific Values):

?Fats = 9 Cal/g

--- Content provided by​ FirstRanker.com ---

?Carbohydrates = 4 Cal/g

?Proteins = 4 Cal/g

( 5.3 Cal/g in Bomb Calorimeter)

--- Content provided by⁠ FirstRanker.com ---


?Carbohydrates and

Fats are completely

--- Content provided by‍ FirstRanker.com ---

oxidized in body to

CO2 and H2O.
? Proteins are not completely

--- Content provided by FirstRanker.com ---

oxidized in the body.

? Nitrogenous excretory product

Urea, stil contain oxidizable

--- Content provided by FirstRanker.com ---


carbon and hydrogen in it.

? Micronutrients (Non Calorific)

--- Content provided by FirstRanker.com ---

?Vitamins = 0 Cal/g

?Minerals = 0 Cal/g

?Water = 0 Cal/g

--- Content provided by⁠ FirstRanker.com ---

Calculation of Calorific Value

of

Food Stuffs

--- Content provided by⁠ FirstRanker.com ---


? Food energy is an amount of

energy liberated by food

--- Content provided by​ FirstRanker.com ---

nutrients.

? Through digestion absorption

and assimilation of food

--- Content provided by FirstRanker.com ---


nutrients.
Calorific values of Foods

? Food Items contain mixture of

--- Content provided by FirstRanker.com ---


nutrients.

? Calorific value of foods depends

--- Content provided by‌ FirstRanker.com ---

upon an amount of nutrients

present in it.

From Total Energy Content

--- Content provided by‍ FirstRanker.com ---


50-60 % Of Energy

Is Provided By Carbohydrates
Energy is provided by the following

--- Content provided by​ FirstRanker.com ---


Carbohydrates: (Primary Source)

Energy Provided 60% (45-65%) of the diet
1gm provides 4 kcal

--- Content provided by⁠ FirstRanker.com ---


Fats:

Energy Provided 35% (25-45%) of the diet
1gm short-chain provides 5.3 kcal

--- Content provided by‌ FirstRanker.com ---

1gm medium-chain provides 8.3 kcal
1gm long-chain provides 9 kcal

Proteins:

--- Content provided by‍ FirstRanker.com ---

Energy Provided 11% (9-15%) of the diet
1gm provides 4 kcal

How To Calculate

--- Content provided by FirstRanker.com ---

Energy Content Of Foods?
Calculate Calorific Value of

100 gm Wheat Flour?

--- Content provided by​ FirstRanker.com ---

100 gram of Wheat Flour Contains

? 69.6 gm Carbohydrates
? 12.0 gm Proteins
? 1.5 gm Fat

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? Calories of 100 gm Wheat flour=
(69.6x4)+(12x4)+(9x1.5)=340 Calories
? Energy Content of foods is computed as:

--- Content provided by FirstRanker.com ---

? Multiplying amounts of calorific

nutrients in 100 gm of food with their

physiological calorific values.

--- Content provided by​ FirstRanker.com ---


? Final y adding up their values.

Energy Requirements by

--- Content provided by FirstRanker.com ---

A Human body
? Human body daily requires sufficient

amount of energy to expend on

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various body activities.

? This energy need is provided by

combustion/oxidation of food

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nutrients of calorific values.

?Usual y Carbohydrates and Fats
?In Emergencies Proteins

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Energy Requirement By

Human Body Differs

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In Different

Phases Of Life


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?Approximately 80-120

kcal/kg body weight for

1st year of life.

--- Content provided by FirstRanker.com ---


?Approximate 2500

Kcal/day for an Adult

--- Content provided by‌ FirstRanker.com ---

individual


An Amount of Energy Needed by a body is

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Utilized for Fol owing Factors:

1. Basal Metabolism (BMR)

2. Physical Activities

--- Content provided by‌ FirstRanker.com ---


3. Specific Dynamic Action of foods(SDA)/

Thermic effect of Food Nutrients

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RQ for mixed diet is .82

--- Content provided by FirstRanker.com ---

from 40% CHO & 60%

fat.

? Non-protein RQ is

--- Content provided by‌ FirstRanker.com ---


between 0.7 and 1.0.

? Thermal equivalents

--- Content provided by​ FirstRanker.com ---

of oxygen for different

non-protein mixtures.

BMR > Activity > Dietary Thermogenesis

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Basal Metabolic Rate

(BMR)

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What Is

? Basal Metabolic Rate (BMR) ?

?BMR is minimum amount

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of energy required by a

body to maintain life in

--- Content provided by FirstRanker.com ---

basal condition.

? Basal condition of body is :

1) Post Absorptive Phase

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2) Awake condition

3) Thermo neutral

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environment

4) Complete physical and

mental rest

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?BMR is minimum resting

energy expended by an

individual in an awake,

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alert , post absorptive

phase present in

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thermoneutral

environment.

? An energy required in basal condition is

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consumed for an involuntary actions of

body viz

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?Pumping of Heart
?Blood Circulation
?Respiration process by Lungs
?Muscular Twitching and reflexes
?Intestinal Peristalsis

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?Metabolic Reactions
?Renal Functions
Determination Of BMR

BMR= Total heat production in Cal/hr

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Body surface area in Sq.m
Normal Values Of BMR

? Males= 35-40 kcal/ sq.m /hr

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? Females= 30-35 kcal/ sq.m /hr

Preparation Of Patient

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For BMR Estimation


? In early morning subject should be

--- Content provided by‍ FirstRanker.com ---

in:

?Post absorptive phase (12 hr Fast)

?Physical y and mental y relaxed

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?Lying position, awake condition

?Room Temperature should be

--- Content provided by‍ FirstRanker.com ---

around 21-25 degree centigrade

?Normal humidity

Methods For BMR Calculation

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? Direct Method For BMR

Determination Using :

--- Content provided by​ FirstRanker.com ---


?Benedict Roth Apparatus
?Dubois Apparatus
? Benedict-Roth Apparatus

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? Calculates an amount of

Oxygen consumed under a

specific basal condition.

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? Oxygen consumption for 2-6

minutes and measure the value

--- Content provided by​ FirstRanker.com ---

from graph.

? Indirect Method of BMR

Determination:

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?Analysis of an expired air
?Determining O2 consumption and

CO2 output.

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? Total heat production is determined

and is then

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? Calculated per sq.m of body surface per

hour
? Indirect Calorimetry:

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Calculates Respiratory Quotient

? Oxygen Consumption

? Carbon Dioxide Production

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? Spirometer or Respirometer

apparatus is used to measure

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an amount of Oxygen

consumed and Carbon dioxide

produced.

--- Content provided by​ FirstRanker.com ---


? This helps in calculating an

energy expenditure.
Respiratory Quotient

--- Content provided by‌ FirstRanker.com ---


? Respiratory Quotient (RQ) is

ratio of volume of carbon

--- Content provided by‍ FirstRanker.com ---

dioxide produced to volume of

Oxygen consumed by an

individual in a given interval of

--- Content provided by FirstRanker.com ---


time.

Respiratory Quotient (RQ)

--- Content provided by‍ FirstRanker.com ---

Volume of CO2 Produced

RQ = Volume of O2 Consumed

At the CELL

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Each substrate has its own RQ value.

(Carbohydrates (1.0) vs Fatty acids (0.7))
? Respiratory Quotient (RQ)

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?Amt of CO2 produced/O2 consumed

?Varies for different Calorific Nutrients

--- Content provided by​ FirstRanker.com ---

? Amount of CO2 formed does not always

equal amount of O2 consumed

RQ for CHO and FAT

--- Content provided by​ FirstRanker.com ---


Carbohydrate (Glucose):

C6H12O6 + 6O2 6CO2 + 6H2O + Energy

--- Content provided by⁠ FirstRanker.com ---

RQ = 6CO2 / 6O2 = 1.00

Fat (Palmitic Acid):

C16H32O2 + 23O2 16CO2 + 16H2O + Energy

--- Content provided by⁠ FirstRanker.com ---


RQ = 16CO2 / 23O2 = 0.70
?R.Q of Protein is 0.8

?R.Q of Mixed diet is 0.85

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? R.Q in Heavy work exceeds more than 1.

?During heavy exercise tissue

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metabolism is increased.

?CO2 out put is increased by

enhanced pulmonary

--- Content provided by FirstRanker.com ---


ventilation

?Oxygen consumption is not

--- Content provided by‌ FirstRanker.com ---

proportionately increased.
? Thus R.Q is an indicator of metabolic

status.

--- Content provided by‍ FirstRanker.com ---

? R.Q of food stuffs depend upon:

? Type of food Nutrients
?Their varying proportions

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?RQ value can be used to

find an amount energy

produced per litre of

--- Content provided by‍ FirstRanker.com ---


Oxygen consumed
? Conditions increasing R.Q

? Violent Exercise

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? Fever
? Acidosis

? Conditions Decreasing R.Q

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? Starvation
? Diabetes mellitus
? Alkalosis
Significance Of R.Q

--- Content provided by‍ FirstRanker.com ---

? R.Q value helps in:

?Estimation of Basal Metabolic Rate
?Type of food oxidized
?Diagnosis of various pathological

--- Content provided by FirstRanker.com ---


conditions such as Acidosis ,

Diabetes mel itus ,fever etc.

--- Content provided by FirstRanker.com ---

? To estimate Calories needed for

basal metabolism/hour:

?For Men: Multiply body weight

--- Content provided by⁠ FirstRanker.com ---


(lbs) by 11

?For Women: Multiply body

--- Content provided by​ FirstRanker.com ---

weight (lbs) by 10
Average Calories Required for Basal Metabolism is

70 C/hr or 1680 C/day

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Factors Affecting BMR
BMR is Influenced By Many Factors.

? Age
? Sex

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? Body Surface Area
? Climate/Environmental Temperature
? Nutritional Status
? Hormones-Insulin Therapy
? Pregnancy

--- Content provided by‍ FirstRanker.com ---


? Physical Activity- Exercises
? Circadian Rhythms

? Emotional State

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? Smoking and Caffeine

? Body temperature

--- Content provided by FirstRanker.com ---

? Diseases

? Digestive Processing

(Specific Dynamic Action)

--- Content provided by‍ FirstRanker.com ---


? Aquatic Salinity (Osmoregulation)



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BMR and Metabolism



? High rate of Metabolism Increased BMR

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? Decreased Metabolism Decreased BMR
Age

? Infants and children have much

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higher BMR than adults.

? Growth increases BMR.
? Highest BMR is noted at age of 5-6 yrs

--- Content provided by‌ FirstRanker.com ---


(58kcal/sq.m/hr)

? BMR is gradually decreased as age

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proceeds

Gender/Sex

? BMR of men is always higher

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than women.

? Men possess

--- Content provided by​ FirstRanker.com ---

? increased lean muscle mass.
? increased physical activities.
Body Surface Area

? Body surface area is related to

--- Content provided by FirstRanker.com ---


height and weight of an

individual.

--- Content provided by​ FirstRanker.com ---

? BMR is directly proportional to the

body surface area.

?Increased Body Surface

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(lean muscle) area has

greater BMR.
?Lean muscle mass is

--- Content provided by‌ FirstRanker.com ---


more metabolical y

demanding than Fatty

--- Content provided by‌ FirstRanker.com ---

tissue(Adipose cytes).

? Lean tal persons with greater

muscle mass has higher BMR.

--- Content provided by‌ FirstRanker.com ---


? Obese short persons with

lower lean muscle mass has

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lower BMR.
? Lower body Fat percentage

higher is the BMR.

--- Content provided by⁠ FirstRanker.com ---

? Higher body Fat percentage

lower is the BMR.

Climate/Environment Temperature

--- Content provided by‌ FirstRanker.com ---


? BMR is decreased in summer
? BMR is increased in winters
? People living in warmer climates

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has lower BMR than living in

colder climates
Nutrition and Metabolic Status

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?BMR is lower in

persons with

malnutrition and

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starvation.

Endocrine Secretion/Hormones

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? Thyroid hormone influences

directly on BMR

?BMR is increased in

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Hyperthyroidism

?BMR is decreased in

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Hypothyroidism.
? High levels of Growth hormone

and Epinephrine also increases

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BMR.

? BMR lower in Diabetes mel itus

? On Insulin therapy BMR is

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increased

Pregnancy

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?BMR is raised by 5%

in pregnancy.
BMR And Physical Activity

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ACTIVITY LEVEL

PERCENTAGE OF BASAL

METABOLISM CALORIES

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Inactive: sitting most of the

30%

--- Content provided by​ FirstRanker.com ---

day; <2 hours moving about

slowly or standing

Moderate: sitting most of

--- Content provided by‌ FirstRanker.com ---


50%

the day; walking or standing

--- Content provided by​ FirstRanker.com ---

2-4 hours, no strenuous

activity

Active: physically active for

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75%

>4 hours a day; little sitting

--- Content provided by‍ FirstRanker.com ---

or standing; some strenuous

activity


--- Content provided by‌ FirstRanker.com ---


Thus BMR Increases With

Rate Of Physical Activity

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Circadian Rhythms

? BMR is lower in sleep
? BMR is higher in awake

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Emotional State

? Stress increases BMR

Smoking and Caffeine

--- Content provided by FirstRanker.com ---


?Smoking and ingestion

of Caffeine increases

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BMR.
Body Temperature

? BMR increases with increasing

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body temperature.

? An elevation of body temperature

above 370C will increase BMR by

--- Content provided by FirstRanker.com ---


13% per 0C.

? Thus in Fever BMR is raised.

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BMR In Diseased Conditions

? BMR is Increased in

? Fevers

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? Leukemia
? Cardiac Failure
? Hypertension
? Metabolic disorders
? Surgery

--- Content provided by FirstRanker.com ---

? Infections
? Anorexia
Factors Affecting BMR

List Of Conditions

--- Content provided by FirstRanker.com ---


Increasing And Decreasing BMR

S.No BMR Increased

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BMR Decreased

High Metabolism

Low Metabolism

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1

At Growing Age

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Infant and Geriatric

2

Active Body

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Sedentary Body

3

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Exercise

No Exercise

4

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Males

Females

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5

Winters

Summers

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6

Hyperthyroidism

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Hypothyroidism

7

More Body Surface Low Body Surface area

--- Content provided by⁠ FirstRanker.com ---


Area


S.

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BMR Increased

BMR Decreased

--- Content provided by​ FirstRanker.com ---

No
8

Pregnancy

--- Content provided by⁠ FirstRanker.com ---

No Pregnant Women

9

Fevers

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Malnutrition

10 After Surgeries

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Starvation

11 Lean Body

Obese body

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12 Smoking

Non Smoker

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13 Day and Night

Only Day workers

Workers

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14 Insulin Therapy

Diabetes Mellitus

--- Content provided by⁠ FirstRanker.com ---

15 Stress

No Stress
Significance Of BMR Calculation

--- Content provided by​ FirstRanker.com ---

? BMR values help in calculating

energy requirement of an

individual body which help in

--- Content provided by⁠ FirstRanker.com ---


planning of diets.

? To know an effect of food and

--- Content provided by FirstRanker.com ---

drugs on BMR.

? BMR value checks basal

metabolism and disease

--- Content provided by‌ FirstRanker.com ---


conditions.

? BMR values help in assessing

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Thyroid function.
Energy Required For

Physical Activities

--- Content provided by FirstRanker.com ---

? Energy requirement for an

individual per day varies from:

vPerson to Person

--- Content provided by⁠ FirstRanker.com ---

vMode of life style
vType of Occupation

? Action to Action

--- Content provided by⁠ FirstRanker.com ---

?Duration of Action

?Intensity of Action
Energy Requiring Factors For Physical

--- Content provided by⁠ FirstRanker.com ---

Activities

? Age
? Sex
? Body Surface Area ?

--- Content provided by‍ FirstRanker.com ---


? Body weight ,Size and Height

Workers

--- Content provided by​ FirstRanker.com ---

Calories/Day

B.M.R %

Light Workers

--- Content provided by‌ FirstRanker.com ---


2200-2500

30-40%

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Teachers, Doctors, Office

Workers

Moderate Workers

--- Content provided by​ FirstRanker.com ---


2500-3000

40-50%

--- Content provided by​ FirstRanker.com ---

Students, House wives

Heavy Workers

3000-3500

--- Content provided by FirstRanker.com ---


50-60%

Farmers ,Miners, Athlete

--- Content provided by FirstRanker.com ---

Very Heavy Workers

3500-4000

60-100%

--- Content provided by FirstRanker.com ---


Rickshaw Pullers,

Construction Workers
Activity

--- Content provided by‌ FirstRanker.com ---


Energy Expenditure in

Calories/ hour

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Sitting

25 Calories/hour

Standing

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30 Calories/hour

Writing

--- Content provided by FirstRanker.com ---

30 Calories/hour

Car Driving

60 Calories/hour

--- Content provided by‍ FirstRanker.com ---


Typing

75 Calories/hour

--- Content provided by‍ FirstRanker.com ---

Walking Upstairs

800 Calories/hour

Every physical activity needs energy above BMR

--- Content provided by‌ FirstRanker.com ---


Energy Cost of Physical Activities

Activity

--- Content provided by⁠ FirstRanker.com ---

Cal/KgBW/Hour

Bicycling (fast)

7,6

--- Content provided by⁠ FirstRanker.com ---


Bicycling (slow)

2,5

--- Content provided by​ FirstRanker.com ---

Dancing (foxtrot)

3,8

Dancing (waltz)

--- Content provided by‍ FirstRanker.com ---


3,0

Dish washing

--- Content provided by‍ FirstRanker.com ---

1,0

Driving

0,9

--- Content provided by FirstRanker.com ---


Table tennis

4,4

--- Content provided by‌ FirstRanker.com ---

Marathon run

7,0

Sawying

--- Content provided by​ FirstRanker.com ---


5,7

Walking 5 km/h

--- Content provided by⁠ FirstRanker.com ---

2,0

Writing

0,4

--- Content provided by‍ FirstRanker.com ---


Playing piano

2,0

--- Content provided by‌ FirstRanker.com ---

Sewing

0,6
Specific Dynamic Action

--- Content provided by⁠ FirstRanker.com ---

(SDA)

Thermogenic Effect Of Food

(TEF)

--- Content provided by‍ FirstRanker.com ---


Diet Induced

Thermogenesis (DIT)

--- Content provided by⁠ FirstRanker.com ---

SDA also termed as

Calorigenic Action Of Food


--- Content provided by‌ FirstRanker.com ---



? SDA is an extra heat produced over and

above calculated calorific value when

--- Content provided by FirstRanker.com ---


food nutrients consumed by a body.

? SDA is referred as an increased heat

--- Content provided by‌ FirstRanker.com ---

production fol owing an intake of food.
Dietary Proteins

Has Highest SDA Values

--- Content provided by​ FirstRanker.com ---

? 25 gm of dietary proteins when

consumed in body should produce 100

Calories of energy.

--- Content provided by⁠ FirstRanker.com ---


? 25 x 4= 100 Calories
? But actual heat produced is 130 Calories
? Thus 30 Calories of energy is extra.

--- Content provided by‍ FirstRanker.com ---



? Protein rich meal eaten in hot

weather feels the body hot

--- Content provided by​ FirstRanker.com ---


and sweaty.

? Protein rich meal in cold

--- Content provided by⁠ FirstRanker.com ---

weather provide cozy and

comfortable feeling.
Significance Of SDA

--- Content provided by‍ FirstRanker.com ---

? Heat of SDA can be utilized

for maintaining body

temperature but not for

--- Content provided by​ FirstRanker.com ---


muscular activity.

? SDA produced heat is expended

--- Content provided by​ FirstRanker.com ---

for digestion and absorption of

food.
Conditions with Decreased SDA

--- Content provided by‍ FirstRanker.com ---

? Conditions where amino acid catabolism

decreased

? SDA is decreased

--- Content provided by​ FirstRanker.com ---


?Starvation
?Growth
?Pregnancy
?Convalescence period (Recovery )

--- Content provided by FirstRanker.com ---


SDA of food is an amount of energy

required to digest mixed food

--- Content provided by FirstRanker.com ---

(Carbohydrate, protein, lipid, fruit &

vegetable).
Approximately 10% of BMR is

--- Content provided by​ FirstRanker.com ---

required as SDA of food


Adult 60 Kg, requires BMR =24 Cal/kg

--- Content provided by⁠ FirstRanker.com ---

BMR

= 1440 Cal

SDA

--- Content provided by‌ FirstRanker.com ---


= 144 Cal

Total = 1584 Cal (BMR+SDA)

--- Content provided by​ FirstRanker.com ---

Balanced Diet

OR

Prudent Diet

--- Content provided by​ FirstRanker.com ---


(Wise, Wel Judged,Judicious,Wel Advised)

(Thoughtful, Careful, Right Way Of Eating)

--- Content provided by​ FirstRanker.com ---

?Human body if considered as a

Machine

?Food is our fuel

--- Content provided by⁠ FirstRanker.com ---

? Maintaining General health and

wel being of human body is first

priority

--- Content provided by‌ FirstRanker.com ---


? Nutrition is a first need of human

beings to acquire good health.

--- Content provided by‍ FirstRanker.com ---

? Health and Unhealth of body directly

depends upon

? Nutritional status of an individual

--- Content provided by‌ FirstRanker.com ---

What and How We Build Our Body

Depends On What We Eat ?

Food Nutrients Determines:

--- Content provided by FirstRanker.com ---


?Bodies composition and built of

cells/Organs/Systems

--- Content provided by‌ FirstRanker.com ---

?Bodies capacity to grow, repair and

reproduce

?Bodies strength to cope up with:

--- Content provided by FirstRanker.com ---


? Interacting environmental pol utants

?Multi tasking ability

--- Content provided by‌ FirstRanker.com ---

?Routine Stress
What Is a Balanced Diet?

How Truly We Plan for Our Eating?

--- Content provided by⁠ FirstRanker.com ---

Let Us Think for a Moment

Do We?

Yes /No?

--- Content provided by⁠ FirstRanker.com ---

We Plan and Implement

? Comparatively ? Comparatively

More

--- Content provided by⁠ FirstRanker.com ---


Less

?Trips

--- Content provided by⁠ FirstRanker.com ---

?Career

?Fests

?Academics

--- Content provided by‌ FirstRanker.com ---


?Parties

?Exams

--- Content provided by‍ FirstRanker.com ---

?Games

Lets Us Well Plan Our Diet

And Implement

--- Content provided by‌ FirstRanker.com ---


For Eating Our Food

For

--- Content provided by⁠ FirstRanker.com ---

HEALTH ,HAPPINESS, PEACE AND SUCCESS




--- Content provided by⁠ FirstRanker.com ---

Balanced Diet

Planned Diet

at Various Physiological States

--- Content provided by⁠ FirstRanker.com ---


Balanced Diet A Healthy Diet

Features of Balanced Diet

--- Content provided by FirstRanker.com ---

? Balanced diet provides the

mixture of al dietary nutrients

in:

--- Content provided by FirstRanker.com ---


?Adequate quantity

(Restrict to RDA values)

--- Content provided by‍ FirstRanker.com ---

?Good quality
? Balanced Diet Provides

?Calorific needs
?Building blocks

--- Content provided by‌ FirstRanker.com ---

?Accessory Growth factors

?Balanced diet does not

al ow an individual

--- Content provided by‌ FirstRanker.com ---


?To ingest any one

dietary nutrient in

--- Content provided by‍ FirstRanker.com ---

excess or less amount.
?Thus Balanced diet

prevents a body

--- Content provided by FirstRanker.com ---


?To suffer from over or

under nutritional

--- Content provided by⁠ FirstRanker.com ---

disorders.

? It is especial y important to

take care of eating during

--- Content provided by‍ FirstRanker.com ---


?Growth, Pregnancy and

lactation

--- Content provided by‌ FirstRanker.com ---

?Remember a young plant, not

given proper nutrients grows up

to a poor specimen with less/no

--- Content provided by⁠ FirstRanker.com ---


fruits and flowers.
Right Diet wil

Build Human Body Systems Strongly

--- Content provided by FirstRanker.com ---


And Protect Our Gene Functions

?Withstand Stress to carry out multi tasking activities
?Prevent from almost al diseases of any system

--- Content provided by​ FirstRanker.com ---


?Infection , Immune Disorders
?Depression
?Genetic Disorders
?Metabolic Disorders

--- Content provided by​ FirstRanker.com ---

?Hormonal Disorders
?Anemia

Points To Consider

--- Content provided by‌ FirstRanker.com ---

While Planning For Balanced Diet

1. Physiological States
2. BMR (Considering al factors)
3. Physical activities of an individual

--- Content provided by FirstRanker.com ---

4. SDA
? Food included during planning of

balanced diet should be local y

--- Content provided by‍ FirstRanker.com ---

available

? Food should be within economic

means of people.

--- Content provided by​ FirstRanker.com ---


? It should fit with local food habits.

? Balanced diet food items should be

--- Content provided by‍ FirstRanker.com ---

easily digestible and palatable.

? Food eaten should contain al the

chief essential nutrients which

--- Content provided by‌ FirstRanker.com ---


suffice bodies health, growth and

reproduction.
? An individual should eat fol owing food

--- Content provided by​ FirstRanker.com ---


groups in recommended quantity and

quality and maintain balanced diet.

--- Content provided by⁠ FirstRanker.com ---

?Cereals and Pulses
?Milk
?Meat and Fish
?Vegetables and Fruits

--- Content provided by‍ FirstRanker.com ---

? RDA values differ during

different physiological states

of human body

--- Content provided by⁠ FirstRanker.com ---


? viz growth, pregnancy,

lactation and convalescence.
Points To Remember

--- Content provided by‍ FirstRanker.com ---


? During growth, pregnancy and

Lactation dietary intake should

--- Content provided by‌ FirstRanker.com ---

be increased

? To develop fetal growth and

maintain reproduction

--- Content provided by‌ FirstRanker.com ---


Indian Balanced Diet

? Nutrition Expert Group

--- Content provided by FirstRanker.com ---

constituted by ICMR

? Taking into account of Indian

available foods

--- Content provided by FirstRanker.com ---


? Has recommended composition

of Balanced diets for Indians.
Indian balanced diet composed of

--- Content provided by⁠ FirstRanker.com ---


? Cereals : Rice, Wheat,Jawar

? Pulses

--- Content provided by‍ FirstRanker.com ---

? Vegetables- Roots,Tubers

? Fruits

? Milk and Milk products

--- Content provided by‌ FirstRanker.com ---


? Oil

? Sugar

--- Content provided by‍ FirstRanker.com ---

? Fish

? Meat

? Eggs

--- Content provided by​ FirstRanker.com ---


Recommended Daily Al owance(RDA)

? RDA of Chief Nutrients for an Adult Individual
? Prescribed by WHO

--- Content provided by‌ FirstRanker.com ---

? Modified by ICMR as per Indian conditions

Nutrient

RDA in Grams

--- Content provided by‌ FirstRanker.com ---


Carbohydrates

400 gm

--- Content provided by​ FirstRanker.com ---

Fats

70 gm

Proteins

--- Content provided by‌ FirstRanker.com ---


60 gm

Fiber

--- Content provided by‌ FirstRanker.com ---

40 gm
? Carbohydrate content of

Some common foods

--- Content provided by⁠ FirstRanker.com ---

Food Item

Carbohydrate Content

Cane Sugar

--- Content provided by⁠ FirstRanker.com ---


100 %

Rice

--- Content provided by‌ FirstRanker.com ---

80%

Wheat

70-80%

--- Content provided by FirstRanker.com ---


Bread

50-60%

--- Content provided by​ FirstRanker.com ---

Potatoes

25%

Vitamins

--- Content provided by​ FirstRanker.com ---


RDA

Vitamin A

--- Content provided by FirstRanker.com ---



3000- 4000 IU

Vitamin D

--- Content provided by FirstRanker.com ---


200-400 IU

Vitamin E

--- Content provided by​ FirstRanker.com ---



9 mg

Vitamin K

--- Content provided by FirstRanker.com ---


70 ug

Vitamin C

--- Content provided by‍ FirstRanker.com ---

60 mg

Folate

400 ug

--- Content provided by⁠ FirstRanker.com ---


Thiamine (B1)



--- Content provided by‌ FirstRanker.com ---

1.2 mg
Vitamins

RDA

--- Content provided by⁠ FirstRanker.com ---

Biotin

30 mcg

Riboflavin (B2)

--- Content provided by⁠ FirstRanker.com ---


1.2 mg

Niacin (B3)

--- Content provided by FirstRanker.com ---

15mg

Pantothenic (B5)

5 mg

--- Content provided by⁠ FirstRanker.com ---


Pyridoxine (B6)

1.6 mg

--- Content provided by‍ FirstRanker.com ---

Cyanocobalamin (B12)

2.4 ug

Minerals

--- Content provided by FirstRanker.com ---


RDA

Calcium (Ca)

--- Content provided by‍ FirstRanker.com ---

1200 mg

Phosphorus (P)

700 mg

--- Content provided by⁠ FirstRanker.com ---


Magnesium (Mg)

370 mg

--- Content provided by​ FirstRanker.com ---

Sodium (Na)

500 mg

Chloride (Cl)

--- Content provided by⁠ FirstRanker.com ---


750 mg

Potassium (K)

--- Content provided by FirstRanker.com ---

2000 mg
Minerals

RDA

--- Content provided by⁠ FirstRanker.com ---

150 ug

Iodine (I)
Iron (Fe)

--- Content provided by‍ FirstRanker.com ---

10 mg

Copper (Cu)

1.5 mg

--- Content provided by‌ FirstRanker.com ---


Zinc (Zn)

14 mg

--- Content provided by‍ FirstRanker.com ---

Selenium (Se)

60 ug

Minerals

--- Content provided by⁠ FirstRanker.com ---


RDA

Molybdenum (Mo)

--- Content provided by​ FirstRanker.com ---

75 ug



Manganese (Mn)

--- Content provided by FirstRanker.com ---


2 mg

Fluoride (F)

--- Content provided by FirstRanker.com ---

4 mg

Chromium (Cr)

50 ug

--- Content provided by‌ FirstRanker.com ---






--- Content provided by‌ FirstRanker.com ---





Maintain Balanced Diet By

--- Content provided by FirstRanker.com ---


?Eating items from al food groups

?With appropriate quantity and good quality to

--- Content provided by⁠ FirstRanker.com ---

provide all nutritionally essential nutrients.

?Eating properly and regularly (Timely) without

skipping the whole meals.

--- Content provided by​ FirstRanker.com ---


Eat A Balanced Diet


Guidelines for

--- Content provided by FirstRanker.com ---


Healthy Eating

Fol ow principles in the Food Guide Pyramid

--- Content provided by FirstRanker.com ---

? 75% of a day's

food

? Should come

--- Content provided by⁠ FirstRanker.com ---


from grains,

vegetables and

--- Content provided by‌ FirstRanker.com ---

fruits


? Extra servings of green

--- Content provided by​ FirstRanker.com ---

and yellow vegetables

may be beneficial

? Extra consumption of

--- Content provided by‌ FirstRanker.com ---


citrus and other fruits

may be beneficial

--- Content provided by‌ FirstRanker.com ---

?Its necessary to maintain balanced diet

since:

?What we eat today, will affect our health

--- Content provided by⁠ FirstRanker.com ---


in future.



--- Content provided by‍ FirstRanker.com ---




Tips For Eating Wel

--- Content provided by⁠ FirstRanker.com ---

Know And Implement

Do's and Don'ts of Eating

Eat More Natural

--- Content provided by‌ FirstRanker.com ---


and

Home Made Food
? Eat regular meals

--- Content provided by FirstRanker.com ---

? Do not skip breakfast
? Eat foods from al food groups

/According to food pyramid

--- Content provided by‍ FirstRanker.com ---

? Limit processed /Junk food

?Prefer meals on starchy

foods

--- Content provided by FirstRanker.com ---


?Eat Egg and Fish

?Eat adequate amounts of

--- Content provided by​ FirstRanker.com ---

vitamins and minerals

?Eat lots of fruit and

vegetables

--- Content provided by​ FirstRanker.com ---






--- Content provided by⁠ FirstRanker.com ---




? Eat fresh and natural foods
? Cut down saturated fats , trans fats and

--- Content provided by⁠ FirstRanker.com ---


refined sugars.

? Try to eat less salt (no more than 5g/day)
? Say No to Alcohol

--- Content provided by⁠ FirstRanker.com ---

? Limit Tea and coffee
? Drink plenty of clean water
? Maintain a healthy weight.
? Keep body active- Work/Exercise

--- Content provided by​ FirstRanker.com ---

Regularly Recal the 8 tips


Energy Balance and Imbalance
?Body weight is stable

--- Content provided by FirstRanker.com ---


when energy consumed

is equal to energy

--- Content provided by‍ FirstRanker.com ---

expended.

?This is termed as

Nitrogen balance.

--- Content provided by⁠ FirstRanker.com ---


Energy Balance:

Input vs Output
One pound of body weight is equal to

--- Content provided by‍ FirstRanker.com ---


3,500 kilocalories

?Body weight increases,

--- Content provided by⁠ FirstRanker.com ---

when energy consumed

is greater than energy

expended.

--- Content provided by‌ FirstRanker.com ---

?Body weight decreases

when energy consumed is

less than it expenditure.

--- Content provided by​ FirstRanker.com ---


? Balanced Energy Intake: not losing or

gaining weight

--- Content provided by⁠ FirstRanker.com ---

? Negative Energy Balance

?Weight loss: Energy intake < Energy

expended

--- Content provided by‍ FirstRanker.com ---


? Positive Energy Balance

? Weight gain: Energy intake > Energy

--- Content provided by‌ FirstRanker.com ---

expended


Significance Of Balanced Diet

--- Content provided by⁠ FirstRanker.com ---

Balanced Diet

Makes Life

Healthy And Happy

--- Content provided by FirstRanker.com ---

? Eating balanced diet right from the

beginning of life builds:

? Organ system of human body with

--- Content provided by⁠ FirstRanker.com ---


ful of strength and vital capacity

? This prepares body to face any

--- Content provided by⁠ FirstRanker.com ---

critical conditions.

?Metabolic stress
?Infections etc

--- Content provided by⁠ FirstRanker.com ---

?Balanced diet Significantly

? Maintains bodies normal growth , health

and reproduction.

--- Content provided by‌ FirstRanker.com ---


? Prevents from suffering of nutritional

disorders.

--- Content provided by‌ FirstRanker.com ---

? Increases span of healthy and happy life.
Nutritional Disorders

Result/Outcome/Punishment

--- Content provided by‍ FirstRanker.com ---

Due to Extreme

Imbalanced/Uncontrol ed

Ingestion Of Nutrients

--- Content provided by​ FirstRanker.com ---


(Ignorance,Negligence,Nonimplementation,

Disobedience)

--- Content provided by‍ FirstRanker.com ---

Do Reflection Analysis

of Dietary Habits
MALNUTRITION/

--- Content provided by‌ FirstRanker.com ---

DEFECTIVE NUTRITION

q A pathological/diseased state

resulting from

--- Content provided by⁠ FirstRanker.com ---


q Relative or absolute

deficiency or excess of one
or more essential nutrients.

--- Content provided by​ FirstRanker.com ---


Forms of Malnutrition

v

--- Content provided by​ FirstRanker.com ---

Undernutrition:

Kwashiorkor, Marasmus
Specific Deficiency:
Hypovitaminoses, Mineral Deficiencies

--- Content provided by​ FirstRanker.com ---


v

Overnutrition:

--- Content provided by FirstRanker.com ---

Obesity, Metabolic Syndrome
Specific Toxicities: Hypovitaminoses

v

--- Content provided by‍ FirstRanker.com ---

Imbalances: Electrolyte Imbalance
Why Human beings suffer from

Nutritional Disorders?

--- Content provided by​ FirstRanker.com ---

Due to What Factors ?

Do Reflection Analysis

? No Planning and Implementing in of Eating

--- Content provided by‍ FirstRanker.com ---


(Thoughtful and Righteous way)

? Do's and Don'ts of Food Habits

--- Content provided by‍ FirstRanker.com ---

?Ignorance/Il iteracy

?Lack of general awareness

?Negligence

--- Content provided by​ FirstRanker.com ---


?Disobedience

? Economical Status-

--- Content provided by⁠ FirstRanker.com ---

? Low and High

? No proper distribution

? No Regularity and Control on Diet habits

--- Content provided by FirstRanker.com ---


?Wrong food habits

?No Control/Regulation on eating habits

--- Content provided by⁠ FirstRanker.com ---

?No Change (quit/adopt) for Good Cause

? Results in Nutritional Disorders
? Availability of food is not uniform due to:

--- Content provided by‍ FirstRanker.com ---

?Unequal distribution of food items
?Unequal economical status of human

population

--- Content provided by​ FirstRanker.com ---

?No proper planning in Occupations

? Undefined Number of

?Farmers/Food Growers and Distributors

--- Content provided by‍ FirstRanker.com ---

?Doctors
?Teachers
?Engineers
?Other Miscellaneous Professions

--- Content provided by‍ FirstRanker.com ---

ETIOLOGY OF MALNUTRITION
Types Of Nutritional Disorders

? Under Nutritional Disorders

--- Content provided by FirstRanker.com ---

? Over Nutritional Disorders
Under Nutritional Disorders

Under Nutritional Disorders

--- Content provided by‌ FirstRanker.com ---

? It is a type of Malnutrition.
? Less intake of food nutrients.
? Insufficient building blocks and

vital growth factors.

--- Content provided by‍ FirstRanker.com ---


? Insufficient energy sources.
Unhealthy GIT Affects

Absorption Of Nutrients

--- Content provided by FirstRanker.com ---


Leads To

Nutritional Deficient Disorders

--- Content provided by​ FirstRanker.com ---

Chronic Use of Chemicals, Alcohol,

Drugs Trauma and Infections

Lead To Il -health Of GIT

--- Content provided by​ FirstRanker.com ---

Protein Energy Malnutrition(PEM)/

Protein Calorie Malnutrition (PCM)

? Protein Energy Malnutrition (PEM)

--- Content provided by​ FirstRanker.com ---


? Protein and Energy (Carbs and Lipids)

deficiency go hand in hand.

--- Content provided by​ FirstRanker.com ---

? This combination leads to protein-

energy malnutrition
?PEM is worlds most

--- Content provided by FirstRanker.com ---

widespread malnutrition

problem in developing

countries.

--- Content provided by​ FirstRanker.com ---


PEM PRECIPITATING FACTORS

? LACK OF FOOD (Famine, Poverty)
? INADEQUATE BREAST FEEDING

--- Content provided by FirstRanker.com ---

? WRONG CONCEPTS ABOUT NUTRITION
? DIARRHOEA & MALABSORPTION
? INFECTIONS (Worms, Measles, T.B)
PEM

--- Content provided by‌ FirstRanker.com ---

EPIDEMIOLOGY & ETIOLOGY

? Seen most commonly in the first year of

life due to lack of breast feeding and the

--- Content provided by‍ FirstRanker.com ---


use of dilute animal milk.

? Poverty or famine and diarrhoea are the

--- Content provided by​ FirstRanker.com ---

usual precipitating factors

? Ignorance & poor maternal nutrition are

also contributory factor

--- Content provided by FirstRanker.com ---


Development Of PEM

? Majority of world's children live in

--- Content provided by​ FirstRanker.com ---

developing countries

? Lack of food & clean water, poor

sanitation, infection & social

--- Content provided by‍ FirstRanker.com ---


unrest lead to LBW & PEM
? PEM leads to

? Increased Rates of Infant Mortality

--- Content provided by​ FirstRanker.com ---


? PEM disorders caused due to lack of

adequate Proteins and Energy in the

--- Content provided by FirstRanker.com ---

diet.

? According to W.H.O PEM is most

important public health problem

--- Content provided by‌ FirstRanker.com ---


prevailing in developing countries.


? PEM most common in Africa, Central

--- Content provided by‍ FirstRanker.com ---


America, South America, Middle

East, SE/E Asia

--- Content provided by⁠ FirstRanker.com ---

? Also see in US

?Homeless
?Inner-city
?Rural poverty

--- Content provided by‍ FirstRanker.com ---


? PEM most often affects

children:

--- Content provided by⁠ FirstRanker.com ---

?500 mil ion children are

malnourished

?>50% of deaths of <5

--- Content provided by​ FirstRanker.com ---


children (5 mil ion/year)
? Adults may also be affected with PEM

?Men at greatest risk are:

--- Content provided by⁠ FirstRanker.com ---


?Those living in poverty

?Elderly living alone

--- Content provided by​ FirstRanker.com ---

?Addicted person

?Eating-disorders

?Long-term illness

--- Content provided by⁠ FirstRanker.com ---


Forms Of PEM
? Protein Energy Malnutrition (PEM)

includes

--- Content provided by​ FirstRanker.com ---




? Kwashiorkor

--- Content provided by‌ FirstRanker.com ---

? Marasmus

? Marasmic Kwashiorkar

(Noted during Starvation or Wasting

--- Content provided by​ FirstRanker.com ---


extreme energy deprivation)

?Kwashiorkor
?Marasmus

--- Content provided by⁠ FirstRanker.com ---


? Two Facets of PEM


PEM Forms Kwashiorkor and Marasmus

--- Content provided by‌ FirstRanker.com ---


Il ustrates

Two Faces Of Same Coin

--- Content provided by⁠ FirstRanker.com ---

Kwashiorkor
Risk of Development

? Kwashiorkor means sickness of

--- Content provided by‍ FirstRanker.com ---

displaced/deposed /replaced child

? It affects when a first born child, is

replaced by a second born child.

--- Content provided by‌ FirstRanker.com ---


?Kwashiorkar describe

sickness of weaning.

--- Content provided by‌ FirstRanker.com ---

?Weaning- Process of

withdrawl of mothers milk

and replace with adult

--- Content provided by​ FirstRanker.com ---


diet
KWASHIORKOR Historical Aspects

? Word Kwashiorkor was introduced in

--- Content provided by‍ FirstRanker.com ---


medical literature(1933),by Cecil y
Wil iams, a British Nurse.

? Kwashiorkor is Ghanaian name for

--- Content provided by‌ FirstRanker.com ---


an Evil Spirit

Biochemical Cause

--- Content provided by​ FirstRanker.com ---

? Kwashiorkar is an extreme

condition of Protein Energy

Malnutrition

--- Content provided by FirstRanker.com ---


? Caused due to ingestion of

Protein deficient diet.
Features of Kwashiorkor

--- Content provided by‍ FirstRanker.com ---


? Age of onset- 1 to 5 years
? Child gets displaced by mothers

attention.

--- Content provided by​ FirstRanker.com ---


? Ingestion of low dietary Proteins
? Weaning protocol not fol owed
? No milk fed instead low protein diet

--- Content provided by​ FirstRanker.com ---

like gruel prepared from grains and

potatoes is fed.

Biochemical Alterations

--- Content provided by‍ FirstRanker.com ---


? Amino acid deficiency for tissue

protein biosynthesis.

--- Content provided by‍ FirstRanker.com ---

? Serum Albumin levels markedly

decreased < 2gm%

? Digestive Enzymes lowered

--- Content provided by FirstRanker.com ---

? Overal body Proteins are lowered
? Serum Cortisol levels decreased
Clinical Signs And Symptoms

? Enlarged abdomen

--- Content provided by FirstRanker.com ---

? Pitting edema of trunk, limbs and

eyelids (Low serum Albumin)

? Moon Face

--- Content provided by‌ FirstRanker.com ---

? Anemia
? Growth retardation
? Loss of weight, lethargic

? PSYCHOMOTOR CHANGES

--- Content provided by FirstRanker.com ---


? SKIN DEPIGMENTATION
? Failure of digestion and absorption due to

lack of digestive enzymes.

--- Content provided by​ FirstRanker.com ---


? Due to indigestion of food

vLoss of appetite and anorexia
vDiarrhea

--- Content provided by​ FirstRanker.com ---

vWater and Electrolyte imbalance

? Subnormal Immunocompetence
(Low Immunity)
? Mental Changes observed-Low

--- Content provided by‌ FirstRanker.com ---


Neurotransmitters

? Fatty Liver-Low/No mobilization of

--- Content provided by​ FirstRanker.com ---

Lipids

? Sparse ,soft, thin and curly hairs
? Glossitis
? Conjunctivitis

--- Content provided by‍ FirstRanker.com ---



? One theory says Kwashiorkar is

a result of Liver insult with

--- Content provided by​ FirstRanker.com ---


hypoproteinemia and oedema.


? Food toxins like Aflatoxin have

--- Content provided by FirstRanker.com ---


been suggested as precipitating

factors for Kwashiorkar.

--- Content provided by FirstRanker.com ---

Kwashiorkor

(Edematous Malnutrition)

? Underweight with Edema

--- Content provided by​ FirstRanker.com ---

? Stunted growth
? Irritable, difficult to feed
? Highest mortality ?
50 to 60%

--- Content provided by​ FirstRanker.com ---


Treatment Of Kwashiorkar

? Gradual feeding with good

--- Content provided by‌ FirstRanker.com ---

quality food proteins

?Milk
?Egg
?Legumes /Pulses

--- Content provided by⁠ FirstRanker.com ---

Marasmus

? Marasmus means neglected child
? Marasmus is a disorder of PEM

--- Content provided by⁠ FirstRanker.com ---

where an infant is virtual y

starving

? Due to lack of both dietary

--- Content provided by‌ FirstRanker.com ---


calories and proteins.
? Term Marasmus is derived from the

Greek word, which means wasting.

--- Content provided by FirstRanker.com ---


? Marasmus involves an inadequate

intake of Protein and Calories and is

--- Content provided by FirstRanker.com ---

characterized by emaciation.

? Marasmus represents the end result

of starvation where both proteins

--- Content provided by‍ FirstRanker.com ---


and calories are deficient.

Causes Of Marasmus

--- Content provided by​ FirstRanker.com ---

? Age of onset- Below 1 year
? Deficiency of both Calories and

Proteins.

--- Content provided by‍ FirstRanker.com ---

? Marasmus occurs in areas where

there is severe starvation and

famine/draught conditions.

--- Content provided by‌ FirstRanker.com ---

Biochemical Alterations In Marasmus

?Serum Albumin levels 2-3

gm%

--- Content provided by⁠ FirstRanker.com ---


?Serum Cortisol levels

increased

--- Content provided by FirstRanker.com ---

Clinical Signs And Symptoms

? Marked growth retardation
? Severe Muscle wasting
? Loss of sub cutaneous fat

--- Content provided by‍ FirstRanker.com ---

? Extreme loss of body weight
? No Edema
? No mental changes
? No characteristic change in hair
? Appetite is normal

--- Content provided by FirstRanker.com ---

? Skin becomes dry and atrophic
? Child looks older than his age

?Feels Hungry
?Diarrhoea &

--- Content provided by‌ FirstRanker.com ---


Dehydration

?Alert but miserable

--- Content provided by‌ FirstRanker.com ---


Differentiation Between

Kwashiorkar

--- Content provided by FirstRanker.com ---

And

Marasmus
Features

--- Content provided by​ FirstRanker.com ---

Kwashiorkor

Marasmus

Displaced Child

--- Content provided by⁠ FirstRanker.com ---


Neglected Child

Age Of Onset

--- Content provided by‌ FirstRanker.com ---

1-5 years

Below 1 year

Cause

--- Content provided by⁠ FirstRanker.com ---


Deficiency of dietary

Deficiency Of dietary

--- Content provided by​ FirstRanker.com ---

Protein

Proteins and Calories

Serum Albumin

--- Content provided by⁠ FirstRanker.com ---


< 2gm%

2-3 gm%

--- Content provided by‌ FirstRanker.com ---

Edema

Significantly Present

Absent

--- Content provided by‍ FirstRanker.com ---


Muscle Wasting

Not severe

--- Content provided by​ FirstRanker.com ---

Markedly sever

Growth Retardation

Present

--- Content provided by⁠ FirstRanker.com ---


Markedly noted

Features

--- Content provided by FirstRanker.com ---

Kwashiorkor

Marasmus

Attitude and

--- Content provided by‍ FirstRanker.com ---


Lethargic ,apathetic

Irritable and fretful

--- Content provided by​ FirstRanker.com ---

Appearance

Face looks plump

Shrunken with skin and

--- Content provided by‍ FirstRanker.com ---


bones

Appetite

--- Content provided by‍ FirstRanker.com ---

Anorexia

Normal

Skin Changes

--- Content provided by FirstRanker.com ---


Crazy pavement

Dry and atrophic

--- Content provided by FirstRanker.com ---

Dermatitis

Hair Changes

Sparse, soft thin and

--- Content provided by⁠ FirstRanker.com ---


No characteristic

curly

--- Content provided by FirstRanker.com ---

change

Serum Cortisol

Decreased

--- Content provided by‌ FirstRanker.com ---


Increased
Investigations for PEM

? Ful Blood Counts

--- Content provided by FirstRanker.com ---

? Blood Glucose
? Serum Electrolytes, Ca, P
? Serum Proteins and Albumin
? Septic screening
? Stool & urine for parasites & Microbes

--- Content provided by‍ FirstRanker.com ---

? Mantoux test

NON-ROUTINE TESTS

? Hair analysis

--- Content provided by‍ FirstRanker.com ---

? Skin biopsy
? Urinary Creatinine
? Measurement of trace elements

levels, iron, zinc & Iodine

--- Content provided by‍ FirstRanker.com ---

Complications of P.E.M

? Hypoglycemia
? Hypothermia
? Hypokalemia

--- Content provided by​ FirstRanker.com ---

? Hyponatremia
? Heart failure
? Dehydration & shock
? Infections (bacterial, viral & thrush)

--- Content provided by‍ FirstRanker.com ---

Treatment

? Slow refeeding

?Small frequent feeding round the

--- Content provided by‍ FirstRanker.com ---


clock

?Patient encouragement of food

--- Content provided by FirstRanker.com ---

? Nutritional rehabilitation

?Play and teaching
?Control infections
In Acute/ life threatening Cases:

--- Content provided by⁠ FirstRanker.com ---


?Fluid and Electrolytes

?K and Mg shifts
?Oral rehydration, slowly

--- Content provided by‍ FirstRanker.com ---


70-100 ml/kg

?Infections: Main cause of death

--- Content provided by‌ FirstRanker.com ---

? Aggressive treatment

?Other deficiencies

? Anemia and Heart failure,

--- Content provided by⁠ FirstRanker.com ---

? Care with transfusions and no diuretics
? Vitamin A: immediate treatment
? Dietary support:
? 3-4 g protein & 200 Cal /kg body

--- Content provided by‌ FirstRanker.com ---

wt/day + Vitamins & Minerals

? Prevention of hypothermia
? Counsel parents & plan future care

--- Content provided by FirstRanker.com ---

including immunization & diet

supplements.

KEY POINT FEEDING

--- Content provided by⁠ FirstRanker.com ---


? Continue breast feeding
? Add frequent smal feeds
? Use liquid diet
? Give vitamin A & Folic acid

--- Content provided by⁠ FirstRanker.com ---

? With diarrhea use lactose-free or soya

bean formula
PROGNOSIS

--- Content provided by‍ FirstRanker.com ---

? Kwashiorkor have greater risk of

morbidity & mortality compared to

Marasmus and under weight

--- Content provided by‌ FirstRanker.com ---


? Early detection & adequate treatment

are associated with good outcome

--- Content provided by⁠ FirstRanker.com ---

? Late il -effects on IQ, behavior &

cognitive functions are doubtful and not

proven

--- Content provided by‌ FirstRanker.com ---


Over Nutrition Disorders


Obesity

--- Content provided by‍ FirstRanker.com ---



Types Of Adipose Tissue And Roles


--- Content provided by‌ FirstRanker.com ---

Appetite Related Hormones




--- Content provided by⁠ FirstRanker.com ---


Obesity

?

--- Content provided by‍ FirstRanker.com ---

Generalized, excessive
accumulation of fat in
subcutaneous & other tissues

? Classification of Obesity

--- Content provided by‌ FirstRanker.com ---


according to "desirable"
standard weight :

? Overweight ~ >10%

--- Content provided by​ FirstRanker.com ---

? Obese ~ >20%


Obesity Is Identified By

--- Content provided by‍ FirstRanker.com ---

Measurement Of Body Mass Index

(BMI)


--- Content provided by‍ FirstRanker.com ---


What Causes Obesity

? 3 major factors contribute for

--- Content provided by FirstRanker.com ---

development of obesity:

?Genetic background (non-modifiable)

?High Dietary intake (modifiable)

--- Content provided by FirstRanker.com ---


?Low Physical activity (modifiable)

q Psychic disturbances

--- Content provided by‌ FirstRanker.com ---

q Endocrine & metabolic

disturbances (rare)
Obesity Affects Quality Of Human Life

--- Content provided by FirstRanker.com ---




Biochemical Alterations Of Obesity

--- Content provided by‍ FirstRanker.com ---

? Increased stores of TAG in adiposecytes
? Increased biosynthesis of Endogenous Lipids
? Affects receptor structures on cel membrane
? Derangements in endocrine activity
? Increased risk of Diabetes mel itus

--- Content provided by FirstRanker.com ---

? Biochemical Derangements in Glucose and

Lipid Profile

? Increased Risk of Atherosclerosis , CAD ,

--- Content provided by⁠ FirstRanker.com ---


Stroke


Dysregulation of Adipocytokines in

--- Content provided by⁠ FirstRanker.com ---


Obesity

? Adipocytokines function as classic circulating

--- Content provided by‌ FirstRanker.com ---

hormones

? Communicate with other organs including brain,

liver, muscle, the immune system, and adipose

--- Content provided by‍ FirstRanker.com ---


tissue itself.

? Dysregulation of Adipokines has been implicated

--- Content provided by‍ FirstRanker.com ---

to increases inflammation, insulin resistance , type

2 diabetes, and cardiovascular disease.


--- Content provided by⁠ FirstRanker.com ---

Leptin and Adiponectin

Regulate Feeding Behavior and Energy Expenditure


--- Content provided by FirstRanker.com ---

Leptin

? Leptin is a hormone that is produced mainly by

Adiposecytes.

--- Content provided by‌ FirstRanker.com ---


? " Leptin's primary target is in hypothalamus of

brain

--- Content provided by‍ FirstRanker.com ---

? "Leptin is a Master" Hormone that regulates body

weight.

? It is often referred to as "satiety hormone" or

--- Content provided by FirstRanker.com ---


"starvation hormone.

? Leptin dampens/ suppresses appetite

--- Content provided by⁠ FirstRanker.com ---






--- Content provided by FirstRanker.com ---





An individual lacking a

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functional leptin protein

or receptor manifested

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voracious feeding

and leads to obesity

Adiponectin

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? ADIPOQ gene
? Produced in adipose tissue
? Protein hormone involved in

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? Blood Glucose regulation
? Fatty acid breakdown and oxidation

? Adiponectin reduces inflamation
? Adiponectin inversely correlated with body mass

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index


Adiponectin mRNA serum levels are

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decreased in obesity



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Upper Abdominal Obesity

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? Increased abdominal circumference (> 102 cm in men and

88 cm in women)

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? Waist to hip ratio (> 1.0 for women and >0.8 for men)

? Visceral fat within abdominal cavity is more hazardous to

health than subcutaneous fat around abdomen

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? Also called, `Apple shaped obesity'

? Increased Risk of diabetes mellitus, stroke, coronary artery

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disease, Cancer and early death


Complications of

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Obesity
Metabolic Syndrome Major

Complication/Consequence Of Obesity

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Metabolic Syndrome

X Syndrome

? Affects Receptors on Plasma membrane

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? Protein Hormone Receptors altered

? Role of messengers for coordination and

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communication disturbed

? Dysregulation of Enzyme activity

? Affects over all Metabolism

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? Insulin Resistance

? Hyperlipoproteinemias

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Central Obesity is Dreadful

Increases Risk Of Metabolic Syndrome

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Clinical Manifestations:

v Fine facial features on a heavy-

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looking stout child

v Larger upper arms & thighs
v Genu valgum common
v Relatively small hands & fingers

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tapering

v Adiposity in mammary regions

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v Pendulous abdomen with Striate

v Psychologic disturbances common

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v Bone age advanced

v In boys, external genitalia appear

small though actually average in

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size

v In girls, external genitalia normal &

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menarche not delayed


Obesity Affects Endocrine System

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Obesity And Thyroid Dysfunction


Pickwickian Syndrome/

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Obesity Hypoventilation Syndrome
? Pickwickian syndrome is a

condition in which severely

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overweight people

? Fail to breathe rapidly enough or

deeply enough

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? Resulting in low blood oxygen

levels and high blood carbon

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dioxide (CO2) levels

?Rare complication

of extreme

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exogenous obesity
Signs And Symptoms

?Severe cardio respiratory

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distress & alveolar
hypoventilation

?Includes polycythemia,

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hypoxemia, Cyanosis, CHF

?Low Metabolic rate
?Lethargic and Fatigue

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? Obesity Hypoventilation

Syndrome have:

?Concurrent obstructive sleep

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apnea, a condition

characterized by snoring.

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?Interrupted sleep
?Excessive Daytime Sleepiness



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Management Of Obesity
Treatment of Obesity

1st principle: Decrease

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energy intake

Initial medical exam to

diagnose pathological

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causes

Plan right diet

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a.Avoid all sweets, fried foods &

fats

a.Limit milk- intake not >2

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glasses/day

a.For 10-14 yrs, limit to 1100-

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1300 cal diet for several months
2nd principle: Increase energy

output:

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I. Obtain an activity history

I. Increase physical activity

I. Involve in hobbies to

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prevent boredom

Advise To

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? Stop Alcohol
? Cessation of Smoking


Orlistat FDA Approved Drug Inhibits

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Pancreatic Lipase ,TAG Digestion In GIT

Thoughtful and Rightful Knowledge

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Implementation Wil Prevent Obesity
Over Al Messages

Lets Al Of Us Fight For Malnutrition

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Eat Food Cautiously with Awareness

With Good Purpose Than Sensual Pleasure

Our Body Is Precious Gift

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Health Is First Priority

THINK AND EAT

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Cautiously,Moderately

Careful y and Rightly

Do Not Make Our Body As Dustbin

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Eat As Fol ows

Sleep And Food Cycle Affects Health

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Change for Positivity

?Adopt Do's

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?Quit Don'ts

Best For Human Health

Thoughtful and Rightful

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Eating And Living Style

Simple, Natural-

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Planned ,Organized ,Regular, Disciplined

Simple , Humble, Care and Share

Yes for Good Stead Fast No For Bad

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4/4/2022

540
Questions

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? Short Notes

? Food Groups ,their constituents and

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their role

? Basal Metabolic Rate (B.M.R.) & its

importance.

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? Calorific value of food and its

calculations.

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? Respiratory Quotient.(R.Q)

? Specific Dynamic Action (S.D.A.)

? Balanced diet

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? Factors affecting BMR


? Biological value of Proteins.

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? Nitrogen Balance & types.
? Role of Fiber in diet/Significance of

dietary fibers.

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? Protein Energy Malnutrition (PEM) /
? Differentiate between Kwashiorkor

and Marasmus.

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? Obesity: Causes and Consequences

THANKS