How can you preserve food items from getting spoilt? Are these methods permanently efficient to prevent microbial growth? 5 marks answer
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Answer:
Vacuum-packing stores food in a vacuum environment, usually in an air-tight bag or bottle. The vacuum environment strips bacteria of oxygen needed for survival, thereby slowing spoiling. Vacuum-packing is commonly used for storing nuts to reduce the loss of flavor from oxidation.
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Explanation:
keep the food in refrigerator
fiil it with nitrogen gas
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