Omega-3 fatty acids:A class ofessentialfatty acidsfound in fish oils, especially from salmon and other cold-water fish, that acts to lower the levels ofcholesterolandLDL(low-density lipoproteins) in the blood. (LDL cholesterol is the "bad" cholesterol.)
EPA(eicosapentaenoic acid) andDHA(docosahexaenoic acid) are the two principalomega-3 fatty acids. The body has a limited ability to manufacture EPA and DHA by converting theessential fatty acid,alpha-linolenic acid(ALA) which is found inflaxseed oil, canola oil or walnuts.
Omega-3fish oil被认为是营养食品,提供的食物吗s health benefits. Eating fish has been reported, for example, to protect against lateage-related macular degeneration, a common eye disease. The American Heart Association recommends eating fish (particularly fatty fish such as mackerel, lake trout, herring, sardines, albacore tuna, and salmon) at least two times a week.
(In technical terms, omega-3 fatty acids have a double bond three carbons from the methyl moiety.)
