Question

what is food preservation
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Answer 1

Answer:

Food preservation prevents the growth of microorganisms (such as yeasts), or other microorganisms (although some methods work by introducing benign bacteria or fungi to the food), as well as slowing the oxidation of fats that cause rancidity.

hope it helps

Answer 2

Food preservation means preserving the food items from spoiling .

It includes the various methods like

Pasteurization , smoking, Drying, freeze drying, canning.