Science, asked by anshika8767, 2 months ago

Define food preservation. Discuss any four methods of preservation.

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Answered by MoonxDust

56

Food preservation, any of a number of methods by which food is kept from spoilage after harvest or slaughter. ... 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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