explain two methods of food preservaton.Also,discuss the advantages 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. Advances in packaging materials have played an important role in modern food preservation.
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There are many methods of food preservation as drying,cooling or freezing, canning or oacuum packing, pasteurisation, dehydration,by adding sugar,bu adding oil and vinegar,etc
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