essential fatty acid

es·sen·tial fat·ty ac·id

a fatty acid that is nutritionally essential; for example, linoleic acid, linolenic acid.

essential fatty acid

Biochemistry
A fatty acid that humans cannot synthesise, which contains double bonds more distal than the COOH end of the 9th carbon atom:
(1) Linoleic acid 18:2 cis-delta 9, delta 12, which has two unsaturated carbon bonds; the first is attached at the methyl end to the 6th carbon (hence, n-6 or omega-6); and
(2) Linolenic acid 18:3 cis-delta 9, delta 12, delta 15.

Fringe nutrition
Some practitioners of alternative healthcare believe cystic fibrosis and ADD/ADHD in children may respond to an increased dietary intake of EFAs.

es·sen·tial fat·ty ac·id

(EFA) (ĕ-sen'chăl fat'ē as'id) The 18-carbon fatty acids that are nutritionally required by humans and must be consumed through dietary sources. The EFAs are linoleic acid or C18:2 (n-6) and alpha-linolenic acid or C18:2 (n-3).

essential fatty acid

see LINOLEIC ACID.

单词	essential fatty acid
释义	essential fatty acid essential fatty acid n (Biochemistry) biochem any fatty acid required by the body in manufacturing prostaglandins, found in such foods as oily fish and nuts. Abbreviation: EFA essential fatty acid essential fatty acid [i′sen·chəl ′fad·ē ‚as·əd] (biochemistry) Any of the polyunsaturated fatty acids which are required in the diet of mammals; they are probably precursors of prostaglandins. essential fatty acid es·sen·tial fat·ty ac·id a fatty acid that is nutritionally essential; for example, linoleic acid, linolenic acid. essential fatty acid Biochemistry A fatty acid that humans cannot synthesise, which contains double bonds more distal than the COOH end of the 9th carbon atom: (1) Linoleic acid 18:2 cis-delta 9, delta 12, which has two unsaturated carbon bonds; the first is attached at the methyl end to the 6th carbon (hence, n-6 or omega-6); and (2) Linolenic acid 18:3 cis-delta 9, delta 12, delta 15. Fringe nutrition Some practitioners of alternative healthcare believe cystic fibrosis and ADD/ADHD in children may respond to an increased dietary intake of EFAs. es·sen·tial fat·ty ac·id (EFA) (ĕ-sen'chăl fat'ē as'id) The 18-carbon fatty acids that are nutritionally required by humans and must be consumed through dietary sources. The EFAs are linoleic acid or C18:2 (n-6) and alpha-linolenic acid or C18:2 (n-3). essential fatty acid see LINOLEIC ACID. AcronymsSeeEFAThesaurusSeelinoleic acid
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