Question

how does chemistry helps us in food preser vation​

Answer 1

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By Addition of Chemicals:

Sodium benzoate, salt o the ascorbic acid and propionic acid etc. are used as food preservatives. They inhibit the growth of microorganisms. These are added in small quantities to a food like jams, jellies, and juices.

Answer 2

Answer:

Chemical preservation entails adding chemical compounds to the product. Physical preservation entails processes such as refrigeration or drying. Preservative food additives reduce the risk of foodborne infections, decrease microbial spoilage, and preserve fresh attributes and nutritional quality.