Question

What is food preservation how is it done

Answer 1

Preservation is the method used to protect food from rottening/decaying. It has different methods for ex:

1. Boiling the milk.

2. Adding lemon juice in the food.

Answer 2

food preservation is the process which slow the decomposition of food and protect it from microorganisms.
it is done by various ways like-
#Drying
#By using salt and sugar
#By canning
#pastuarisation
#Cold and heat treatment
#By using chemical
#By vaccumm packing