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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
Shelf life means ______
Enumerate any three ways by which oil acts as a natural preservative in picking.
Identify which is not an example of a sundried product:
Assertion (A): Evaporating moisture from food stuff prevents growth of microorganisms.
Reason (R): Most microorganisms cannot grow without water.
Action of food enzymes are the major causes of ______.
Select the odd one.
Oil is a natural preservative because
- Delay moulding
- Increase oxidation
- Delay deterioration
- Isolates food from air
Mention two precautions to be taken while refrigerating food at home.
State the principles of food preservation.
How should eggs and milk be stored at home to maintain their freshness for a longer period of time?
Explain the procedure for preserving foods by the use of chemical preservatives.
