docosahexaenoic acid

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do·co·sa·hex·a·e·no·ic acid

 (dō′kō-sə-hĕk′sə-ĭ-nō′ĭk)
n. Abbr. DHA
An omega-3 fatty acid, C22H32O2, found in cold-water fish and in certain algae.

[docosa-, twenty-two, from its twenty-two carbon atoms (do- from Greek dō-, two, as in dōdeka, twelve; see dodecagon + Greek eikosi, twenty; see wīkm̥tī- in Indo-European roots) + -hexaene, having six double bonds (hexa- + -ene) + -oic.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.docosahexaenoic acid - an omega-3 fatty acid with 22 carbon atoms; found in fish (especially tuna and bluefish)
omega-3, omega-3 fatty acid - a polyunsaturated fatty acid whose carbon chain has its first double valence bond three carbons from the beginning
References in periodicals archive ?
Dietary supplementation of arachidonic and docosahexaenoic acids improves cognitive dysfunction.
Plasma fatty acid responses, metabolic effects, and safety of microalgal and fungal oils rich in arachidonic and docosahexaenoic acids in healthy adults.
Docosahexaenoic acid (DHA): an ancient nutrient for the modern human brain.
Docosahexaenoic acid promotes hippocampal neuronal development and synaptic function.
Fatty acid facts, Part IV: docosahexaenoic acid and Alzheimer's disease.
The Omega-3 Index, expressed as the percent of total red blood cell fatty acids comprised of eicosapentaenoic plus docosahexaenoic acids (EPA and DHA), could be measured in an office setting, with the results used to guide intervention.
5 g/day); those with documented CHD should consume approximately 1g of eicosapentaenoic plus docosahexaenoic acids (EPA and DHA) per day, preferably from fish; and patients with hypertriglyceridemia should consume 2-4 g of EPA plus DHA per day in capsule form (Circulation 106[21]:2747-57, 2002).