Akhlaq A. Farooqui

2009

In neural membrane glycerophospholipids, essential polyunsaturated fatty acids, namely arachidonic acid (ARA) and docosahexaenoic acid (DHA), are exclusively located at the sn-2 position of glycerol moiety. Because humans do not possess desaturases that insert either the n-3 or the n-6 double bonds, these fatty acids are derived from diet.