B.Tech. (Food Technology) (Sem.=5)
OILS & FATS PROCESSING TECHNOLOGY
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Subject Code : BTFT-505
M.Code : 78650
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
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SECTION-A
Answer briefly :
- a) Why coconut oil exists in solid state at room temperature?
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b) Why does unsaturated fat exist as liquid at room temperature? - What are the problems encountered during storage of Rice Bran?
- Define the terms acidolysis and alcoholysis.
- What is the process of winterization?
- What do you understand by term oxidative rancidity?
- What is shortening? What are the advantages of its utilization in bakery products?
- What is the difference in lard and tallow?
- Define saponification number, iodine value and smoke point.
- What is the importance of melting point and geometric isomerism in fats?
- What are omega fatty acids? What is the importance of these fatty acids?
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SECTION-B
- Write about the intersterification process. What are applications of intersterified products?
- Distinguish between acid value and Reichert-Meissl number.
- Mention the two processing steps undertaken to prevent crystallization and settling of chilled oils.
- Explain in detail the process of hydrogenation of oils.
- Elaborate the process of deodorization of oils.
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SECTION-C
- Explain the extraction procedure of Rice Bran Oil with flow diagram. How protein isolate can be recovered from mustard seed? Describe the flow sheet.
- What do you understand by the term Cocoa butter substitute? How cocoa butter substitute is produced from natural vegetable oil?
- Write about the major byproducts of oil processing industry along with their uses. Write down the method of production of butter oil.
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NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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