to assess the effect of alteration of membrane structure on the enzymic activities related to phospholipid synthesis in microsomal membrane , the effects of several organic solvents have been studied in an in vitro system , in which the cytoplasmic extract prepared from rat liver incorporated [ 14c ] choline or [ 14c ] cdp-choline into phosphatidycholine ( lecithin ) .
C0008405
choline
C0010725
cdp-choline