Classification of Carbohydrates Monosaccharides or simple sugars opolyhydroxyaldehydes or aldoses polyhydroxyketones or ketoses Disaccharides can be hydrolyzed to two monosaccharides. Polysaccharides hydrolyze to many monosaccharide units. E.g.,starch and cellulose have 1000 glucose units. Classification of Carbohydrates ◼Monosaccharides or simple sugars ⚫polyhydroxyaldehydes or aldoses ⚫polyhydroxyketones or ketoses ◼Disaccharides can be hydrolyzed to two monosaccharides. ◼Polysaccharides hydrolyze to many monosaccharide units. ⚫E.g., starch and cellulose have > 1000 glucose units