Solve your IGNOU Doubts
Solve your IGNOU Doubts
Question:

How is thermal process for an acid food different than that for a low-acid food

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Question:

How are acid and low-acid foods distinguished?

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Question:

Define food fortification. Described different fortified fruit and vegetable products.

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Question:

How fermentative utilization of fruits and vegetables waste is carried out? Explain with the help of examples.

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Question:

Define the terms associated with thermal processing: D value, Z value, F Value and 12 D concept.

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Question:

Differentiate between sterilization and pasteurization. Why HTST pasteurization is a better treatment than LTLT?

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Question:

What is canning? Explain its principle. Describe different types of spoilage observed in canned products.

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Question:

What are chemical preservatives and how these are classified?

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Question:

Describe the important diseases caused in human beings through bacterial infection from food.

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Question:

Describe different mycotoxins associate with food. What is botulism?

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Question:

What are different means of controlling the microorganisms?

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Question:

Define Spoilage. Describe different types of spoilage and preventive measures to be taken to avoid spoilage.

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Question:

Define pasteurization which time-temperature combination is better to pasteurize the milk and why?

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Question:

Define thermal death point and thermal death time. Which method is most common to determine thermal process?

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Question:

Explain the principle and process of pickling.

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Question:

Enumerate the advantages of a good plant layout.

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Question:

Explain the role of sugar in food systems. Describe the method of preparation of Jam. What are the problems faced during preparation of Jam?

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Question:

Enlist the properties of food that control water activity. Explain any one.

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Question:

Define water activity (Aw)

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Question:

Enlist the various drying methods.

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