Question:
Which of the following is a non-reducing sugar?
Which of the following is a non-reducing sugar?
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Sucrose is a non-reducing sugar because its anomeric carbons are involved in a glycosidic bond, leaving no free aldehyde or ketone group.
Updated On: Apr 2, 2025
- Lactose
- Fructose
- Sucrose
- Maltose
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The Correct Option is C
Solution and Explanation
Step 1: A non-reducing sugar is one that does not have a free aldehyde or ketone group capable of reducing other compounds.
Step 2: Sucrose is a disaccharide composed of glucose and fructose, and it does not have a free reducing group because both anomeric carbons are involved in the glycosidic bond. Hence, it is a non-reducing sugar.
Step 3: In contrast, lactose, fructose, and maltose all have free reducing groups and can reduce other substances.
Step 2: Sucrose is a disaccharide composed of glucose and fructose, and it does not have a free reducing group because both anomeric carbons are involved in the glycosidic bond. Hence, it is a non-reducing sugar.
Step 3: In contrast, lactose, fructose, and maltose all have free reducing groups and can reduce other substances.
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