the effect of the addition of several phospholipids ( lysophosphatidylcholine , alpha-lecithin , phosphatidylserine , phosphatidylethanolamine , lysophosphatidyl-ethanolamine , sphingomyelin , and disphosphatidylglycerol and phosphatidic acid ) and related compounds ( glycerophosphocholine , alpha- and beta-glycerophosphate , choline , serine , glycerol , dipalmitoylglycerol , and stearic acid ) on the ability of purified ( from beef pancreas ) and microsomal ( rat liver ) glutathione-insulin transhydrogenase ( glutathione : protein-disulphide oxidoreductase , ec 1.8.4.2 ) to degrade insulin has been examined .
C0031617
lecithin
C0017889
glycerophosphocholine