which method of food preservation would you use? science chapter 5 class 7
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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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Answer: (a) Drying the food grains from farms under the hot sun is called dehydration. (b) Materials like milk are instantly cooled after heating up to a certain high temperature. This method of food preservation is called pasteurization
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