Saponification H-0二69 CH2一OH (CH2)1CH CH—OH CH2-OH CH-O-C-(CH2)16CH3 +3 NaOH heat glycerol HO 0 0 CH2-O-C-(CH2)1CHs 3Na+-O一C-(CH2)16CH3 tristearin,a fat sodium stearate,a soap Copyright2010 Pearson Prentice Hall,Inc. Base-catalyzed hydrolysis of ester linkages in fats and oils. Long-chain carboxylate salts are known as soap. Chapter 25 10 Chapter 25 10 Saponification ▪ Base-catalyzed hydrolysis of ester linkages in fats and oils. ▪ Long-chain carboxylate salts are known as soap