Omega-3 fatty acids


Omega-3 fatty acids are so called because the very first double bond occurs at the 3rd carbon from the omega end. The significant omega-3 fatty acids are: α-linolenic acid (alpha-linolenic acid or ALA) – the ‘parent’ short-chain omega-3 fatty acid found mainly in flaxseed, canola and soybean oils. Stearidonic acid (SDA) – a short-chain omega-3 fatty acid primarily found in echium seed oil. Eicosapentaenoic acid (EPA) is a long-chain omega-3 fatty acid found in fish, fish oils and eggs. EPA is the precursor to the series-3 prostaglandins, series-3 thromboxanes and series-5 leukotrienes. Docosahexaenoic acid (DHA) is a long-chain omega-3 fatty acid found in fish, fish oils and eggs and gives rise to resolvins and protectins.

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