Question

Heat and cold treatment of food products is practised since time immemorial for food preservation how does itprevent food spoilage

Answer 1

by heating it kills microorganisms and by cooling it stops the growth of microorganisms by making the environment unfavourable for the microbes to act on them. This helps the food to keep preserved and prevent it from spoilage

Answer 2

Answer:

The answer will be:

Explanation:

1. It prevents the food from being spoilt.
2. It kills many harmful microorganisms.
3. It also inhibits the growth of microbes.

Or you can write your answer in another way which is given below. Both are correct.

Heat and Cold treatment of food prevents the food from being spoilt. It also leads to the depletion of many harmful microorganisms. It also inhibits the growth of microbes. By using this method of preserving food can let the microbes to not harm us any more.

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