in contrast , the percentages by weight of the n-6 fatty acids including 18:2n-6 , 20:4n-6 ( arachidonic acid , aa ) , 22:4n-6 and 22:5n-6 were generally lower in the various phospholipids/tissues of the animals given fish oil or the n-3 fatty acid concentrate ;
C0016157
fish oil
C0015689
n-3 fatty