NUTRITION
CARBOHYDRATES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is NOT a reducing sugar?
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glucose
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fructose
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maltose
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sucrose
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Explanation:
Detailed explanation-1: -Sucrose is a non-reducing sugar.
Detailed explanation-2: -Sucrose is a non reducing sugar due to 1-2 linkage. Due to this linkage, both aldehyde group of glucose and keto group of fructose are not free. Hence, the sugar becomes non reducing. Was this answer helpful?
Detailed explanation-3: -Sucrose (table sugar) contains two sugars (fructose and glucose) joined with by their glycosidic bond in such a way as to prevent the glucose isomerizing to aldehyde, or the fructose to alpha-hydroxy-ketone form. Sucrose is thus a non-reducing sugar which does not react with Benedict’s reagent.
Detailed explanation-4: -1 Answer. Starch is not a sugar.
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