alpha-linolenic acid


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alpha-linolenic acid

C18H30O2, an omega-3 fatty acid derived from plants, esp. seeds (canola oil, flaxseed, walnuts and pumpkins) and from some fish (salmon and mackerel).
CAS # 463-40-1
See also: acid
References in periodicals archive ?
The omega-3 precursor alpha-linolenic acid (ALA) is found in walnuts and flax seeds, and the omega-6 precursor linoleic acid (LA) is found in corn and vegetable oils.
The findings suggest that "the association between alpha-linolenic acid and risk of prostate cancer may not be a reflection of animal fat intake," he said.
Conversion of Alpha-Linolenic Acid to Eicosapentaenoic, Docosapentaenoic and Docosahexaenoic Acids in Young Women," British Journal of Nutrition 88(4), 411-420 (2002).
Our bodies can make these from another omega-3 fatty acid, alpha-linolenic acid, that is found in flaxseeds, canola oil, walnuts, and other foods.
In the Jan/Feb issue of Running & FitNews[R] we discussed how, of all nuts, walnuts have the greatest concentration of omega-3 fatty acids and contain more alpha-linolenic acid (ALA) in particular than do other nuts.
The lighter moods might have been associated with higher intakes of another omega-3 fatty acid, alpha-linolenic acid.
The link with EPA--the other major omega-3 fat in fish--was weaker, and there was no link with alpha-linolenic acid, the omega-3 fat that's found in soy, canola, and flax oil.
Alpha-linolenic acid (ALA), the specific omega-3 found in flaxseed, differs slightly from eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), which are the major fats in fish.
Flaxseed contains high concentrations of the shorter chain omega-3 fatty acid alpha-linolenic acid (ALA)," he explained in a recent interview.
The researchers believe that by giving up dressings made with oil, consumers also give up alpha-linolenic acid, a good source of fat.
After 4 weeks, concentrations of alpha-linolenic acid and eicosopentenoic acid-two types of omega 3s-in the blood of people eating sunflower oil remained comparable to amounts when the study began.