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.

omega-3 fatty acid

a fatty acid with a double bond located at the third carbon atom away from the omega (methyl) end of the molecule. Major sources are cold-water fish and vegetable oils. Omega-3 fatty acids, such as eicosapentaenoic acid and docosahexaenoic acid, appear to have protective functions in preventing the formation of blood clots and reducing the risk of coronary heart disease. See also essential fatty acid.

omega-3 fatty acid

, ?-3 fatty acid
Any of the long-chain polyunsaturated fatty acids found in the oils of some saltwater fish, and in canola, flaxseed, walnuts, and some vegetables. These acids include eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). Alpha-linolenic acid (found in flaxseed and chia) can be metabolically converted to omega-3 fatty acids in the body. People whose diets are rich in omega-3 fatty acids have a reduced incidence of cardiovascular disease. Synonym: n-3 fatty acid
See also: acid
References in periodicals archive ?
Omega-3 fatty acids also are known to be important in brain development and function, and have been linked to depression.
In the study, "individuals with higher dietary intakes of total omega-3 fatty acids had a reduced risk for ALS," said lead researcher Kathryn Fitzgerald, of the Harvard School of Public Health in Boston.
Analysis of the omega-3 fatty acid content of South African fish oil supplements--a follow-up study.
Our study seems to indicate that the level of marine-derived omega-3 fatty acids consumed must be higher than previously thought to impart substantial protection," she said.
Omega-3 fatty acids are mostly found in oily fish such as salmon, herring and mackerel.
This again suggests that further studies are needed to better understand the specific formulations, dosages and markers of effectiveness for omega-3 fatty acid supplementation.
Ongoing studies have led to the premise that a balance of omega-6 and omega-3 fatty acids is necessary to maximize the benefits of these fats.
In fact, the benefits of omega-3 fatty acids for cardiovascular disease are so well demonstrated that the American Heart Association has published statements since 1996 recommending increased fish and/ or omega-3 supplement intake.
The result is that mothers continuously lose their omega-3 fatty acid stores during pregnancy.
John Patience and Denise Beaulieu at the Prairie Swine Centre in Saskatoon, Saskatchewan on a series of four projects feeding flaxseed to pigs to enrich pork with omega-3 fatty acids.
The optimal dose of omega-3 fatty acid to prevent atrial fibrillation is unknown," Dr.
In a subgroup of 35 subjects, erythrocyte membranes from blood samples were examined for fatty acid content as a biomarker of omega-3 fatty acid status.