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Dihomo-γ-linolenic acid ( DGLA) is a 20-carbon ω−6 fatty acid (also called, cis,cis,cis-8,11,14-eicosatrienoic acid). In physiological literature, it is given the name 20:3 (ω−6). DGLA is a carboxylic acid with a 20-carbon chain and three cis double bonds; the first double bond is located at the sixth carbon from the omega end.
Sciadonic acid, also known as eicosatrienoic acid, is a polyunsaturated fatty acid. [ 1][ 2] In regard to its structure, 5 Z ,11 Z ,14 Z -eicosa-5,11,14-trienoic acid (sciadonic acid) has 3 double bonds in the 5, 11, and 14 positions all of which are in the cis configuration. It is further classified as Δ 5 -fatty, and an omega-6 acid due to ...
Eicosatrienoic acid. Eicosatrienoic acid (or icosatrienoic acid) denotes any straight chain polyunsaturated fatty acid (PUFA) that contains 20 carbons and 3 double bonds. Examples important in biology, pharmacy or physiology: Dihomo-γ-linolenic acid, (8 Z ,11 Z ,14 Z )-eicosatrienoic acid. Mead acid, (5 Z ,8 Z ,11 Z )-eicosatrienoic acid.
It is formed by a desaturation of dihomo-gamma-linolenic acid (DGLA, 20:3 ω-6). all-cis-8,11,14,17-eicosatetraenoic acid is an ω-3 fatty acid. It is an intermediate between stearidonic acid (18:4 ω-3) and eicosapentaenoic acid (EPA, 20:5 ω-3) Some chemistry sources define 'arachadonic acid' to designate any of the eicosatetraenoic acids.
Crotonic acid has 4 carbons, is included in croton oil, and is a trans-2-mono-unsaturated fatty acid.C 3 H 5 CO 2 H, IUPAC organization name (E)-but-2-enoic acid, trans-but-2-enoic acid, numerical representation 4:1, n-1, molecular weight 86.09, melting point 72–74 °C, boiling point 180–181 °C, specific gravity 1.027.
5-Oxo-eicosatetraenoic acid (i.e. 5-oxo-6 E ,8 Z ,11 Z ,14 Z -eicosatetraenoic acid; also termed 5-oxo-ETE and 5-oxoETE) is a nonclassic eicosanoid metabolite of arachidonic acid and the most potent naturally occurring member of the 5-HETE family of cell signaling agents. Like other cell signaling agents, 5-oxo-ETE is made by a cell and then ...
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, as is typical for polyunsaturated fatty acids. 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).
Chemical structure of 14,15-epoxyeicosatrienoic acid. The epoxyeicosatrienoic acids or EETs are signaling molecules formed within various types of cells by the metabolism of arachidonic acid by a specific subset of cytochrome P450 enzymes termed cytochrome P450 epoxygenases. [ 1] These nonclassic eicosanoids are generally short-lived, being ...