TABLE 24.1 Common Naturally Occurring Fatty Acids Number Common Systematic name Structure Melting of carbons name point Saturated lauric acid dodecanoic acid myristic acid tetradecanoic acid COOH 58 palmitic acid hexadecanoic acid COOH 63 stearic acid octadecanoic acid COOH 69 arachidic acid eicosanoic acid COOH 77 Unsaturated palmitoleic acid (9Z)-hexadecenoic acid COOH 0 18 oleic acid (9Z)-octadecenoic acid COOH linoleic acid (9Z, 12Z)-octadecadienoic acid COOH linolenic acid (9z, 12Z, 152)-octadecatrienoic acid COOH -l1 arachidonic acid (5Z, 8Z, 11Z, 14Z)-eicosatetraenoic acid COOH 50 EPA (5Z, 8Z, 11Z, 14Z, 17Z)-eicosapentaeneoic acid COOH -50