Summary

Food processing is the process of changing or transforming raw food materials into consumable forms or products. Food processing offers many advantages such as prolonging the life span of the food, preventing food from going bad, for easy packaging etc.

Food preservation is the process of using certain methods to prevent food from going bad or from microorganisms growing on it.

Some of the methods of food preservation are drying, smoking, salting, frying, canning and freezing.