Question

explain any three methods of food preservation with the help of examples..
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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:

by adding salt

by canning

by freezing

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