Which of the following is not a method of food preservation?
A
Salting
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B
Refrigeration
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C
Dehydration
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D
Fermentation
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Solution
The correct option is D
Fermentation
∙ Food preservation refers to the techniques used to prevent food from spoiling. It includes methods such as, canning, pickling, drying and freeze-drying, pasteurisation and the addition of chemical additives.
∙ Fermentation is a process in which a substance is broken down into simpler substances with the help of microorganisms such as, yeast and bacteria. This process is widely used for creating beer, wine, bread, kimchi, yogurt and other foods.