a quantitative analysis of fatty acid release by phospholipase a2 from the microsomal membrane revealed that only 5 nmol of free fatty acid per mg microsomal protein was released , including oleic acid and arachidonic acid , by treatment with 0.4 unit of phospholipase a2 per mg microsomal protein for 15 s at 23 degrees c .
C0015684
fatty acid
C0015688
free