Steve C. answered • 05/15/23
Tutor
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Masters' in Biomedical Sciences-Prospective Medical School Student
Sucrose is a non-reducing sugar due to its structural properties. Sucrose is a disaccharide composed of glucose and fructose units joined by a glycosidic bond. The glycosidic bond between these two units is formed between the anomeric carbon of glucose and the hydroxyl group of fructose, forming an acetal. The acetal linkage locks the anomeric carbon in a stable, closed-ring structure, making it inaccessible for oxidation. Since sucrose lacks the necessary functional groups to undergo the oxidation reaction typically associated with reducing sugars, it is classified as a non-reducing sugar.
