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प्रश्न
What are the changes that take place in food items due to freezing?
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उत्तर
- Breakdown of cell walls, leading to texture changes.
- Potential loss of some nutrients during freezing and thawing.
- Formation of ice crystals within food.
- Slowdown of microbial activity, preserving food.
- Alteration in flavour and colour of some foods after thawing.
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संबंधित प्रश्न
Identify which is not an example of a sundried product:
Rohan’s dad has made apple jam. Which of the following must have been added to preserve it for a longer time?
Assertion (A): Evaporating moisture from food stuff prevents growth of microorganisms.
Reason (R): Most microorganisms cannot grow without water.
Tom watched his uncle preparing mango pickle. He noticed that he had put a lot of salt and spices into the vessel while cooking it. State any five ways in which these ingredients play a role in the preparation of the pickle.
Assertion [A]: Green leafy vegetables kept in the refrigerator go limp and soggy.
Reason [R]: All green leafy vegetables are rich in high content of water.
State True or False:
Sugar acts as a preservative by enabling the process of osmosis.
Mention two precautions to be taken while refrigerating food at home.
Explain the procedure for preserving foods by the method of dehydration.
How does sugar help in food preservation? Give any two examples of food items preserved by this method.
How should eggs and milk be stored at home to maintain their freshness for a longer period of time?
