explain three methods of food preservation
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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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The process of treating food in order to slow down spoilage is called as food preservation. a) Chemical method of preservation is done by adding certain chemicals which have the capability of preserving the food. Preservatives include sodium benzoate and sodium metabisulphite used in jams and squashes.
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