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|Section2= |Section3= }} Mead acid is an omega-9 fatty acid, first characterized by James F. Mead. As with some other omega-9 polyunsaturated fatty acids, animals can make Mead acid ''de novo''. Its elevated presence in the blood is an indication of essential fatty acid deficiency. Mead acid is found in large quantities in cartilage. == Chemistry == Mead acid, also referred to as eicosatrienoic acid, is chemically a carboxylic acid with a 20-carbon chain and three methylene-interrupted ''cis'' double bonds. The first double bond is located at the ninth carbon from the omega end. In physiological literature, it is given the name 20:3 (n-9). (See Fatty Acid#Nomenclature for an explanation of the naming system.) In the presence of lipoxygenase, cytochrome p450 or cyclooxygenase Mead acid can form various hydroxyeicosatetraenoic acid (HETE) and hydoperoxy (HpETE) products.〔(【引用サイトリンク】 url= http://www.cyberlipid.org/prost1/pros0002.htm )〕 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「mead acid」の詳細全文を読む スポンサード リンク
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