About the structure and biological function of oxiDHA Structure. Oxidized docosahexaenoic acids (oxiDHA) belong to the group of docosanoids within the fatty acyls. Their structure is based on docosanoic acid, a twenty-two carbon atoms long hydrocarbon chain with a carboxyl group. The chain contains six double bonds, from which their name derives. Further, oxiDHAs may … Continue reading Oxidized Docosa­hexaenoic Acid