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|Section2= |Section3= |Section7= |Section8= }} Petroselinic acid is a fatty acid that occurs naturally in several animal and vegetable fats and oils. It is a white powder and is commercially available.〔ChemicalBook ()〕 In chemical terms, petroselinic acid is classified as a monounsaturated omega-12 fatty acid, abbreviated with a lipid number of 18:1 cis-6. It has the formula CH3(CH2)10CH=CH(CH2)4COOH. The term "petroselinic" means related to, or derived from, oil of ''Petroselinum'', parsley. Petroselinic acid is an positional isomer of oleic acid. ==Occurrence== Petroselinic was first isolated from parsley seed oil in 1909. Petroselinic acid occurs in high amounts in plants in Apiaceae, Araliaceae, Griselinia (Griseliniaceae) and in Garryaceae. In Picramniaceae, petroselinic acid is accompanied by tariric acid. In addition, petroselinic acid has been found in minor amounts in several fats of plant and animal origin, including in human sources. The occurrence of petroselinic acid as the major fatty acid is used in chemosystematics as a proof of a close relationship of several families within the Apiales as well as within the Garryales. Besides petroselinic acid, oleic acid has been shown to be present in all cases examined. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Petroselinic acid」の詳細全文を読む スポンサード リンク
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