Abstract
The major phosphoglycerides present in Entamoeba invadens are phosphatidylcholine, phosphatidylethanolamine, phosphatidylserine and phosphatidylinositol. Furthermore, three different sphingolipids could be isolated from the amoeba. In addition to sphingomyelin and a phosphonolipid, ceramide phosphonylethanolamine, a previously unknown sphingolipid was present. This sphingolipid contained a long chain base, inositol, and phosphorus in the
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