CH2OH CH20H CH20H CH2OH -0】 -0 -0 -0 OH OH H 0 OH H OH (1+4) (1+4) (1→4) OH H oh OH Repeating disaccharide in cellulose(B-cellobiose) Cellulose CH2OH CH2OH -0 -0 H OH H 01 OH 0 Starch a(1+4) OH OH Glucose Glucose
CH OH HO CH OH OH Glucose Fructose Galactose Glucose Sucrose Lactose CH-OH CH;OH OH Glucose Glucose Galactose Glucose Fructose Maltose Raffinose OLIGOSACCHARIDE
H H O= H-C-OH H-C-OH C=0 H-C-OH H一C-OH H H Glyceraldehyde,Dihydroxyacetone, an aldotriose a ketotriose (a)
H H H-C OH H-C OH HO-C-H HO-C-H H-C-OH H-C-OH H-C- OH H-C一OH CH2OH CH2OH D-Glucose, D-Fructose, an aldohexose a ketohexose (b)
H H H-C-OH CH2 H-C-OH H-C-OH H-C-OH H-C-OH CH2OH CH2OH D-Ribose, 2-Deoxy-D-ribose, an aldopentose an aldopentose (c)