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Identify the compound and explain whether it is reduicng or non - reducing or non - reducing sugar for the following structure. |
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Answer» Solution :(i) Lactose is disaccharide found in milk of mammals and hence it is referred to as milk SUGAR. (II) On hydrolysis, it YEILDS galactose and GLUCOSE. The `beta-D` galactose and `beta-D` glucose are linked by `beta-1, 4-` glycosidic bond. The aldehyde carbon is not involved in the glycosidic linkage. Hence it retains its reducing property and is called a reducing sugar. (iii) Structure of lactose : 
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