in general , each lipoprotein fraction possessed a well defined lipid class composition , which was characterized by a dramatically decreasing triacylglycerol and an increasing phospholipid and cholesteryl ester content when progressing from the very low ( vldl ) , to the low ( ldl2 ) and high ( hdl ) density lipoproteins , as already established by conventional analyses .
C0023820
lipoprotein
C0023779
lipid