a more sensitive procedure utilizing gas-liquid chromatography revealed that , of the substrates tested , the following were bein hydrolyzed : bovine and egg yolk phosphatidyl choline , lysophosphatidyl choline , alpha-palmito-beta-eleoyl-l-alpha lecithin and alpha-oleoyl-betal-palmitoyl-l-alpha lecithin .
C1959616
phosphatidyl choline
C0031617
lecithin