How have preservatives changed over the years?

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asked Apr 28, 2022 26.4k views

3 votes

How have preservatives changed over the years?

Health
high-school

Josh Montgomery asked

by Josh Montgomery

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Answer:

Among the oldest methods of preservation are drying, refrigeration, and fermentation. Modern methods include canning, pasteurization, freezing, irradiation, and the addition of chemicals.

Barett answered May 2, 2022

by Barett

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