Question 1 What is meant by food preservation?
Question 2 Name methods of preserving food?
Preservation of food
The food material like milk,fruits,vegetables,meat,fish and cooked food get spoiled easily.This is because they contain a lot of water due to which the food-spoiling micro-organism can grow in them easily.
The process in which the food materials are given a suitable physical or chemical treatment to prevent their spoilage is called food preservation.
Methods of preserving food
1)Sun-drying or dehydration
2)Heating
3)Cooling
4)Deep freezing
5)Addition of common salt
6)Addition of sugar
7)Addition of mustard oil and vinegar
8)Use of special chemical preservatives
9)Pasteurisation
10)Packing food in air-tight packets
Anand says
What are preservatives