Abstract

A new sulfated glycolipid has been isolated from the lipid extract of human gastric content by the procedure involving column fractionation on silicic acid and thin-layer chromatography. Degradation studies revealed the presence of glucose, sulfate, fatty acids and glyceryl monoethers. The structure of this glycolipid was identified by partial acid hydrolysis, oxidation with periodate and chromium trioxide, and permethylation studies, as: SO3H-6Glcalphal leads to 6Glcalphal leads to 6Glcalphal leads to 3-diglyceride. The diglyceride portion of this glycolipid consists mostly of 1-O-alkyl-2-O-acyl-glycerol.

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