Question

explain. some. 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.

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Answer 2

Answer:

food preservation refer to any one of a number of technique used to prevent food for spoiling.it includes method such as canning,pickling,drying and freeze-drying , irradiation,pasteurization,smoking and the addition of chemical additive