omega-3 fatty acid

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omega-3 fatty acid

n.
Any of several polyunsaturated fatty acids that are essential for human metabolism, have anticoagulant properties, and are found in leafy green vegetables, vegetable oils, nuts, and fish such as salmon and mackerel. Increasing dietary intake of omega-3 fatty acids can decrease serum concentrations of triglycerides and LDL cholesterol while increasing HDL cholesterol.

[So called because the first double bond in the chain of carbon atoms in such fatty acids is found between the third and fourth atoms when counted from the omega end of the chain.]

omega-3 fatty acid

n
(Cookery) an unsaturated fatty acid that occurs naturally in fish oil and is valuable in reducing blood-cholesterol levels

o•me′ga-3 fat′ty ac′id

(oʊˈmi gəˌθri, oʊˈmeɪ-, oʊˈmɛg ə-)
n.
a fatty acid found esp. in fish oil and valuable in reducing cholesterol levels in the blood.
[1980–85]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.omega-3 fatty acid - a polyunsaturated fatty acid whose carbon chain has its first double valence bond three carbons from the beginning
alpha-linolenic acid - a polyunsaturated fatty acid with 18 carbon atoms; the only omega-3 fatty acid found in vegetable products; it is most abundant in canola oil; a fatty acid essential for nutrition
polyunsaturated fatty acid - an unsaturated fatty acid whose carbon chain has more than one double or triple valence bond per molecule; found chiefly in fish and corn and soybean oil and safflower oil
docosahexaenoic acid - an omega-3 fatty acid with 22 carbon atoms; found in fish (especially tuna and bluefish)
eicosapentaenoic acid - an omega-3 fatty acid with 20 carbon atoms; found in fish (especially tuna and bluefish)
References in periodicals archive ?
w-3 fatty acid supplementation as a potential therapeutic aid for the recovery from mild traumatic brain injury/concussion.
(10.) "Current results show that substituting w-3 fatty acid [fish oil] for w-6 fatty acids in the diet is deleterious to the mechanical properties of wounds at 30 days." Ref.: Albina JE et al.
Genetic enhancement of cold tolerance by expression of a gene for chloroplast w-3 fatty acid desaturase in transgenic tobacco.