aliyahflener95 aliyahflener95
  • 10-09-2021
  • Health
contestada

how have preservatives changed over the years?

Respuesta :

knightcourtney482
knightcourtney482 knightcourtney482
  • 10-09-2021

Answer:

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

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