Download PTU M.Tech. Food Technology 1st Semester 75599 ADVANCES IN FOOD ANALYSIS Question Paper

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Total No. of Pages : 01

Total No. of Questions : 08

M.Tech.(Food Technology) (2018 Batch) (Sem.-1)

ADVANCES IN FOOD ANALYSIS

Subject Code : MTFT-512-18

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M.Code: 75599

Time: 3 Hrs.

Max. Marks : 60

INSTRUCTIONS TO CANDIDATES :

1. Attempt any FIVE questions out of EIGHT questions.

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2. Each question carries TWELVE marks.

1. a) Write the principle of spectroscopy. Explain working of UV-visible spectrophotometer and its application in food Industry.
   b) What is FTIR spectroscopy? How the FTIR spectra results are interpreted?
   c) How the emission spectroscopy is helpful in food analysis?
   4 4 4

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2. a) What are different types of emission and absorption spectroscopy. Explain working of flame photometery.
   b) What is Fluorescence spectroscopy? How the spectrofluoromieter works?
   8 4
3. a) How TLC works? Explain with example the application of TLC in food analysis. 6
   b) Draw a schematic diagram of a gas chromatograph and explain function of each part. 6

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4. a) What different types of detectors are used in chromatographic analysis. Explain working of Thermal Conductivity or Flame ionization (FID) detectors. 2+6
   b) How chromatography is used in the analysis of vitamins in food samples? Explain with example. 4
5. Write the principle of SEM. Write its importance in food analysis. Discuss the application of SEM in food product development and quality control with suitable examples. 3+4+5
6. Draw a DSC chromatogram. How DSC analysis results are interpreted? How the result outputs of DSC and glass transition temperature analysis are used in food quality control and product development? Discuss. 2+2+8
7. What is particle size analyzer? Write its basic principle. What are various types of particle size analyzer? Explain the working and application of PSA in food industry. 2+2+8

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8. Explain the theory of electrophoresis. Differentiate between SDS-PAGE and electrophoresis. How the molecular weight of food samples proteins is calculated by SDS-PAGE analysis. 3+2+7

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