TABLE 10.1 Some biologically important fatty acids Common Name Systematic Name Abbreviation Structure Melting Point ("C) Saturated Fatty Acids Сapric acid Decanoic acid CH3(CH,),COOH 31.6 10:0 Lauric acid Dodecanoic acid 12:0 CH(CH)10COOH 44.2 Myristic acid Tetradecanoic acid 14:0 CH3(CH2)12COOH 53.9 Palmitic acid Hexadecanoic acid 16:0 CH(CH)14COOH 63.1 Stearic acid Octadecanoic acid 18:0 CH3(CH,)16COOH 69.6 Arachidic acid Eicosanoic acid 20:0 CH3(CH2)18COOH 76.5 Behenic acid Docosanoic acid 22:0 CH3(CH,)20COOH 81.5 Lignoceric acid Tetracosanoic acid 24:0 CH3(CH)22COOH 86.0 Cerotic acid Hexacosanoic acid 26:0 CH3(CH2)24COOH 88.5 Unsaturated Fatty Acids Palmitoleic acid cis-9-Hexadecenoic acid 16:1CA9 CH3(CH),CH=CH(CH),COOH Oleic acid cis-9-Octadecenoic acid 18:1CA9 CH(CH),CH=CH(CH,),COOH 16 Linoleic acid cis, cis-9,12-Octadecenoic acid 18:2CA9, 12 CH,(CH),CH= CHCH,CH=CH(CH,),COOH Linolenic acid all-cis-9,12,15-Octadecenoic acid 18:3CA9,12,15 CH,CH,CH=CHCH,CH= CHCH,CH=CH(CH),COOH -11 Arachidonic acid all-cis-5,8,11,14-Eicosatetraenoic acid 20:4CA5,8,11,14 CH3(CH2)4CH= CHCH,CH=CHCH2CH= CHCH2CH=CH(CH2)3COOH -50

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