How have preservatives changed over the years?

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asked Apr 28, 2022 26.4k views

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Barett · Answer 1 · 2022-05-02T19:12:45+0000

Answer:

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

How have preservatives changed over the years?

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