the lipid classes , as percentages of the total lipid synthesized , were found by tlc to be cholesterol 12.3 +/- 2.0 , mono-glycerides 7.5 +/- 1.5 , 1,2 di-glycerides 3.0 +/- 0.9 , 1,3 di-glycerides 3.5 +/- 0.5 , tri-glycerides 28.4 +/- 1.8 , free fatty acids 2.0 +/- 0.4 , lysolecithin 15.4 +/- 3.9 , sphingomyelin 9.9 +/- 4.3 , phosphatidyl-choline 8.4 +/- 0.4 , phosphatidyl-ethanolamine -inositol and -serine 1.8 +/- 0.1 , phosphatidic acid and cardiolipin 3.3 +/- 0.5 , and unidentified 3.3 +/- 0.5 ( mean +/- sem , n = 5 ) .
C0023779
lipid
C0017860
glycerides