Food Preservation

Importance, & Methods

Oct 8, 2023 - 02:17
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Figure 1: The autoxidation of unsaturated fatty acids.

Learn about food preservation and the various methods to preserve foodstuffsLearn about food preservation and the various methods to preserve foodstuffsSee all videos for this article

food preservation, any of a number of methods by which food is kept from spoilage after harvest or slaughter. Such practices date to prehistoric times. Among the oldest methods of preservation are drying, refrigeration, and fermentation. Modern methods include canning, pasteurization, freezing, irradiation, and the addition of chemicals. Advances in packaging materials have played an important role in modern food preservation.

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