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Question
Which of the following is not a reducing carbohydrate?
Which of the following is not a reducing carbohydrate?
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Solution
The correct option is B Sucrose
A reducing sugar is any sugar that is capable of acting as a reducing agent because it has a free aldehyde group or a free ketone group. All monosaccharides are reducing sugars, The common dietary monosaccharides galactose, glucose and fructose are all reducing sugars.
Non-reducing disaccharides like sucrose have a glycosidic linkage between their anomeric carbon and thus, cannot convert to an open-chain form with an aldehyde group. They are stuck in the cyclic form.
In above options, all are monosaccharides (reducing sugars) except sucrose.
A reducing sugar is any sugar that is capable of acting as a reducing agent because it has a free aldehyde group or a free ketone group. All monosaccharides are reducing sugars, The common dietary monosaccharides galactose, glucose and fructose are all reducing sugars.
Non-reducing disaccharides like sucrose have a glycosidic linkage between their anomeric carbon and thus, cannot convert to an open-chain form with an aldehyde group. They are stuck in the cyclic form.
In above options, all are monosaccharides (reducing sugars) except sucrose.
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