Why is sucrose called a non-reducing sugar?
Sucrose is a non-reducing sugar because it has a glycosidic connection between C - 1C - 1 of -glucose and C - 2C - 2 of -fructose holds the two monosaccharide units of glucose and fructose together. So, sucrose has no free aldehyde or ketone next to the CHOH group, sucrose is a non-reducing sugar.
