the highest purity first-run fractions obtained were ethyl esters of the major marine polyunsaturates eicosapentaenoic acid ( 20:5 omega 3 , 97.7 % ) and docosahexaenoic acid ( 22:6 omega 3 , 93.7 % ) , and the minor polyunsaturate octadecatetraenoic acid ( 18:4 omega 3 , 98.1 % ) .
C0012968
docosahexaenoic
C0015689
omega 3