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Method of Food
Prevsrvation
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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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1
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Methods of food preservation are :
- Chemical preservation
- By adding Salt and sugar
- dehydration and drying
- canning and packaging
- heat and cold treatments
- deep freezing
- Radiation
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