Question

write the method of preservation​

Answer 1

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• 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:

drying, cooling, boiling, placing in airtight container and using food preservatives substances are the different methods of preserving food.