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Question
In disaccharides, if the reducing groups of monosaccharides i.e. aldehydic or ketonic groups are bonded, these are non-reducing sugars. Which of the following disaccharide is a non-reducing sugar?
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Solution
Explanation:
This structure represents sucrose in which α-D glucose and β-D-fructose is attached to each other by C1 – C2 glycosidic linkage.
Since, reducing groups of glucose and fructose are involved in glycosidic bond formation, this is considered as non-reducing sugar.
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