Question

why is food preservation is necessary ? write some chemical food preservation​

Answer 1

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Answer:

Food preservation. The term food preservation refers to any one of a number of techniques used to prevent food from spoiling. ... These compounds are known to act as antioxidants, preventing chemical reactions that cause the oxidation of food that results in its spoilage

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Answer 2

Explanation:

Food preservation. The term food preservation refers to any one of a number of techniques used to prevent food from spoiling. ... These compounds are known to act as antioxidants, preventing chemical reactions that cause the oxidation of food that results in its spoilage.

Food preservation, any of a number of methods by which food is kept from ... canning, pasteurization, freezing, irradiation, and the addition of chemicals.