FOOD CHEMISTRY
FOOD ADDITIVES AND PRESERVATIVES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Sugar is added to jams and jellies to prevent the growth of bacteria for long periods of time. Here, the sugar is used as:
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An antioxidant
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A preservative
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A stabilizer
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A fortifying agent
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Explanation:
Detailed explanation-1: -In jam and jellies, sugar acts as a preservative. Sugar tends to draw water from the microbes so that microorganisms can no longer survive. Thus they prevent growth of microorganisms and preserve food.
Detailed explanation-2: -Sugar is used as a preservative in foods and beverages because it prevents microbial growth by reducing the water activity in a product, primarily through osmosis, or dehydration. Whether in solid or liquid form, sugar will always try to reach the same level of sugar present in the foodstuff it is in contact with.
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