Question

what do u mean by food preservation??​

Answer 1

Answer:

it means a chemical called preservative is added in a food so it can keep fresh and keep food fresh for days,months

they are basically added in packed food

hope it helps u

Answer 2

From Wikipedia, the free encyclopedia. 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), and slowing the oxidation of fats that cause rancidity.