TABLE 10.1 Some biologically important fatty acids Common Name Systematic Name Abbreviation Structure Melting Point ("C) Saturated Fatty Acids Capric acid Decanoic acid 10:0 CH(CH,),COOH 31.6 Lauric acid Dodecanoic acid 12:0 CH3(CH2)10COOH 44.2 Myristic acid Tetradecanoic acid 14:0 CH3(CH2)12COOH CH3(CH2)1,COOH 53.9 Palmitic acid Hexadecanoic acid 16:0 63.1 Stearic acid Octadecanoic acid 18:0 CH(CH-)16COOH 69.6 Arachidic acid Eicosanoic acid 20:0 CHĄ(CH,)1,COOH 76.5 Behenic acid Docosanoic acid 22:0 CH3(CH)2COOH 81.5 Lignoceric acid Tetracosanoic acid 24:0 CH3(CH2)22COOH 86.0 Cerotic acid Hexacosanoic acid 26:0 CH,(CH,)2,COOH 88.5 Unsaturated Fatty Acids Palmitoleic acid cis-9-Hexadecenoic acid 16:1CA9 CH3(CH2)sCH=CH(CH2),COOH Oleic acid cis-9-Octadecenoic acid 18:1CA9 CH3(CH2),CH=CH(CH2),COOH 16 Linoleic acid cis,cis-9,12-Octadecenoic acid 18:2CA9,12 CH3(CH2),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(CH2);COOH -11 Arachidonic acid all-cis-5,8,11,14-Eicosatetraenoic 20:4cA5,8,11,14 CH3(CH,),CH= -50 acid CHCH,CH=CHCH;CH= CHCH,CH=CH(CH),COOH

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