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प्रश्न
How is radiation effective in food preservation?
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उत्तर
- This is a new technique of preservation, which is at the stage of experimentation.
- The W.H.O. has advised the use of this process only in the case of wheat, onions, and potatoes.
- In this process, gamma rays or high-speed electrons are used to destroy micro-organisms.
- These radiations are termed ionising radiations.
- The advantage of using this process is that the food can be stored even without refrigeration.
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संबंधित प्रश्न
Enumerate any five uses of preserving food at home.
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.
Action of food enzymes are the major causes of ______.
Identify the picture
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Identify the picture and name the type of preservation
Select the odd one.
Oil is a natural preservative because
- Delay moulding
- Increase oxidation
- Delay deterioration
- Isolates food from air
Give two examples of foods that are preserved by the addition of sugar.
Why do fruits and vegetables become limp and soggy after freezing?
State the principles of food preservation.
