Question

what is preservation? how can we preserve food ?​

Answer 1

Answer:

Food preservation, any of a number of methods by which food is kept from spoilage after harvest or slaughter. Such practices date to prehistoric times. 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.

Answer 2

Answer:

Preservation is a process that keeps organic things from decomposing.

We can preserve food by :-

:- PICKLING :- Food preserve on vinegar.

:- SALTING :- Food preserve on salt such as fish , meat etc..

:- SMOKING :- Smoking of fish and meat prevent spoilage by dehydration.

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