Tuesday, 21 September 2021 09:01

Food and Nutrition - Class 6 Science Revision Notes

Share via Whatsapp

Food Preservation

It is the process of storing and handling food properly so as to stop or slow down its spoilage.

Reason for Preserving Food

  • To reduce food wastage
  • To prevent it from being spoilt
  • For easy transport
  • To make food available when out of season.

Methods of Food Preservation

Food preservation is classified into;

  • Traditional methods
  • Modern methods

Traditional Methods

They include;

  • Smoking- forms a coat
  • Drying- reduce moisture
  • Salting- reduce moisture
  • Use of honey- prevents oxygen
  • Use of ash- reduce moisture

Modern Methods

  • Canning-killing germs and preventing oxygen
  • Refrigeration- low temperature
  • Freezing- low temperature

Drying is both traditional modern method of preserving food. It is also the cheapest method of food preservation.

Download Food and Nutrition - Class 6 Science Revision Notes.

Tap Here to Download for 30/-

Why download?

  • ✔ To read offline at any time.
  • ✔ To Print at your convenience
  • ✔ Share Easily with Friends / Students