Docosahexaenoic acid (DHA) is an omega-3 essential fatty acid. In chemical structure,
DHA is a carboxylic acid with a 22-carbon chain and six cis double bonds; the first double
bond is located at the third carbon from the omega end.Its trivial name is cervonic acid,
its systematic name is all-cis-docosa-4,7,10,13,16,19-hexa-enoic acid, and its shorthand
name is 22:6(n-3) in the nomenclature of fatty acids.
Fish oils are rich in DHA. Most of the DHA in fish and more complex organisms originates
in photosynthetic and heterotrophic microalgae, and becomes increasingly concentrated in
organisms as it moves up the food chain. DHA is also commercially manufactured from
microalg.
It is actively promoted by manufacturers as a food additive. Until recently, sales
other than to makers of infant formula have been minimal;
Read more: Natural Food Additives
www.probioticonline.net
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