Question

How do the following help in food preservation? Salt

Answer 1

Food preservation:

1. Substances that are added to a food so as to stop or slow down spoilage are called preservatives.
2. The technique to treat a food and increase its shelf life is called food preservation.
3. Preservatives can be salt, sugar, chemical compounds etc.

Salt:

1. Check the growth of bacteria by forcing microorganisms to lose water by a process called osmosis.