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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Preservation by Sugar
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Preservation by Canning
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Preservation by dehydration
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Preservation by vinegar
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Detailed explanation-1: -Jams, jellies and squashes are preserved by sugar. Sugar draws out moisture from the microbes and so kills them. Sodium benzoate and sodium metabisulphite are common chemical preservatives which are also generally used to check the growth of microorganisms.
Detailed explanation-2: -Storage. Most cordials and squashes contain preservatives such as potassium sorbate or (in traditional cordials) sulphites, as they are designed to be stored on shelves. They keep well because of the preservatives and their high sugar content.
Detailed explanation-3: -(Sodium benzoate) is a common preservative in acid or acidified foods such as fruit juices, syrups, jams and jellies, sauerkraut, pickles, preserves, fruit cocktails, etc.