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Linoleic acid (LA) is an organic compound with the formula HOOC(CH 2) 7 CH=CHCH 2 CH=CH(CH 2) 4 CH 3. Both alkene groups (−CH=CH−) are cis. It is a fatty acid sometimes denoted 18:2 (n−6) or 18:2 cis-9,12. A linoleate is a salt or ester of this acid. [5] Linoleic acid is a polyunsaturated, omega−6 fatty acid.
trans,trans-9,12-Octadecadienoic acid, Linoelaidic acid. ... Linolelaidic acid is an omega-6 trans fatty acid (TFA) and is a cis–trans isomer of linoleic acid.
Linolelaidic acid, (9E,12E)-9,12-octadecadienoic acid; Rumenic acid, (9Z,11E)-9,11-octadecadienoic acid This page was last edited on 4 January 2021 ...
Linoleic acid has 18 carbons, is contained in many vegetable oils, particularly semi-drying oils, and is a cis-9-cis-12-di-unsaturated fatty acid. C 17 H 31 CO 2 H, IUPAC organization name (9Z, 12Z)-octadeca-9,12-dienoic acid, numerical representation 18:2 (9,12), n-6, molecular weight 280.45, melting point −5 °C, specific gravity 0.902. CAS ...
For example, linoleic acid is designated "cis-Δ 9, cis-Δ 12 octadecadienoic acid". This nomenclature has the advantage of being less verbose than systematic nomenclature, but is no more technically clear or descriptive. [citation needed] n−x (or ω−x) n−3 (or ω−3)
9-Hydroxyoctadecadienoic acid (or 9-HODE) has been used in the literature to designate either or both of two stereoisomer metabolites of the essential fatty acid, linoleic acid: 9(S)-hydroxy-10(E),12(Z)-octadecadienoic acid (9(S)-HODE) and 9(R)-hydroxy-10(E),12(Z)-octadecadienoic acid (9(R)-HODE); these two metabolites differ in having their hydroxy residues in the S or R configurations ...
In various plants such as cucumbers and melons, (3Z)-nonenal is formed from linoleic acid to 9-hydroperoxy-10,12-octadecadienoic acid and its splitting. [ 4 ] [ 6 ] [ clarification needed ] In Laminaria angustata , formation also occurs via arachidonic acid and its 12- hydroperoxide .
In terms of its structure, it is named all-cis-9,12,15-octadecatrienoic acid. [3] In physiological literature, it is listed by its lipid number, 18:3 (n−3). It is a carboxylic acid with an 18-carbon chain and three cis double bonds. The first double bond is located at the third carbon from the methyl end of the fatty acid chain, known as the ...