eicosapentaenoic acid

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ei·co·sa·pen·ta·e·no·ic acid

n. Abbr. EPA
An omega-3 fatty acid, C20H30O2, found in cold-water fish and in certain algae.

[Greek eikosa-, twenty, from its twenty carbon atoms (from eikosi; see wīkm̥tī- in Indo-European roots) + -pentaene, having five double bonds (penta- + -ene) + -oic.]


1. eicosapentaenoic acid: an omega-3 fatty acid present in fish oils.
2. Environmental Protection Agency.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.eicosapentaenoic acid - an omega-3 fatty acid with 20 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 ?
A double- blind randomized controlled trial of ethyl- eicosapentaenoate for major depressive disorder.
We performed a Medline search that combined "essential fatty acids, n-3 fatty acids, omega-3 fatty acids, fish, seafood, eicosapentaenoate, eicosapentaenoic, docosahexaenoate, or docosahexaenoic," and "borderline personality disorder.
Single-ion monitoring was performed to quantify appropriate base ions for individual FAEEs: ions 67, 88, and 101 for ethyl palmitate, ethyl heptadecanoate, ethyl stearate, ethyl oleate, and ethyl linoleate; and ions 79, 91, and 117 for ethyl arachidonate, ethyl eicosapentaenoate, and ethyl docosahexaenoate.