lipids found were sterol esters 9 % , wax esters 0 % , triacyl glycerols 4 % , free cholesterol 11 % , free fatty acids 2 % , unidentified nonpolar material 3 % , ceramides 7 % , cerebrosides 3 % , phosphatidyl ethanolamine 12 % , phosphatidyl choline 20 % , sphingomyelin 4 % , lysolecithin 4 % , unidentified polar material 18.0 % .
C0007745
ceramides
C0007805
cerebrosides