FOOD PROCESSING AND PRESERVATION
FOOD PRESERVATION METHODS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What does freezing do as a preservation method?
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provides an acidic environment
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removes water content by freezing water particles
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increases water content
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decreases oxygen
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Explanation:
Detailed explanation-1: -Freezing preservation is one of the most beneficial preservation methods. It involves, conversion of liquid content of food into ice crystals, which lowers down water activity and microbial growth is arrested due to cold shock.
Detailed explanation-2: -Drying or “dehydrating” food is a method of food preservation that removes enough moisture from the food so bacteria, yeast and molds cannot grow.
Detailed explanation-3: -Drying is the process of preservation of food by removal of water/moisture content in the food. It can be done either by sun-drying, (e.g. cereals, fish) or vacuum drying (e.g. milk powder, cheese powder) or hot air drying (e.g. grapes, dry fruits, potato flakes).
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