similar changes were observed in the major triacylglycerol fraction of the simple lipids ( fatty acid esters of glycerol and sterols ) , but there was considerable heterogeneity for acyl composition in the minor simple lipid components , including both diacylglycerols and sterol esters , and the complex lipids ( glycolipids and phospholipids ) .
C0015677
fatty acid esters
C0023779
lipids