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Eicosatetraenoic acid: Wikis

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Eicosatetraenoic acid, ETA, designates any straight chain 20:4 fatty acid.

See essential fatty acid#Nomenclature for nomenclature.

Two isomers, both of them essential fatty acids, are of particular interest:

Some chemistry sources define 'arachadonic acid' to designate any of the eicosatetraenoic acids. However, almost all writings in biology, medicine and nutrition limit the use the term 'arachidonic acid' to all-cis 5,8,11,14-eicosatetraenoic acid (ω-6).

ETA is found in green-lipped mussel and appears to act as dual inhibitor of arachidonic acid oxygenation by both the cyclooxygenase (COX) and lipoxygenase pathway.[1]

References

  1. ^ Improvement of Arthritic Signs in Dogs Fed Green-Lipped Mussel, Tiffany Bierer, Linh Bui,June 2002, http://jn.nutrition.org/cgi/content/full/132/6/1634S

See also


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