Question

what are different methods of food preservation​

Answer 1

Answer:

Among the oldest methods of preservation are drying, refrigeration, and fermentation. Modern methods include canning, pasteurization, freezing, irradiation, and the addition of chemicals. Advances in packaging materials have played an important role in modern food preservation.

Explanation:

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Answer 2

Answer:

method of food preservation are-

1 pickling

2 salting

3 smoking

4 canning

5 bottling