Question

how do we preseve food

Answer 1

Answer:

Physical methods of food preservation include dehydration, refrigeration and freezing, controlled atmosphere storage, modified atmosphere packaging, vacuum packaging, various forms of heat treatment, ultraviolet radiation, ionizing radiation and high hydrostatic pressure

Answer 2

Answer:

Food preservation includes food processing practices which prevent the growth of microorganisms, such as yeasts and slow the oxidation of fats that cause rancidity. Food preservation may also include processes that inhibit visual deterioration, such as the enzymatic browning reaction in apples after they are cut during food preparation. By preserving food, food waste can be reduced, which is an important way to decrease production costs and increase the efficiency of food systems, improve food security and nutrition and contribute towards environmental sustainability.

Explanation:

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