Salt added to smoked fish is used as a preservative. Explain the principle underlying the effectiveness of this method.

Md Ariful Islam

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Md Ariful Islam

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Salt has been used as a preservative for ages, and works to preserve food in two ways: Salt dries food. Salt draws water out of food and dehydrates it. All living things require water and cannot grow in the absence of it, including the bacteria which can cause food poisoning.

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