Question

application of food preservatives

Answer 1

To preserve foods there are many ways like
1)adding vitamin c
2)preserving in refrigerator
3) adding oil
4)Placing the food in absence of moist

Answer 2

Chemical preservation entails adding chemical compounds to the product. Physical preservation entails processes such as refrigeration or drying. Preservative foodadditives reduce the risk of foodborne infections, decrease microbial spoilage, and preserve fresh attributes and nutritional quality.
Drying
Freezing
Fermenting
Pickling
Curing
Jam and Jelly
Canning