A glucuronosyldiglyceride from an actinomycete
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1. From the sum of the cell lipids of a strain ofStreptomyces producing the antibiotic aureolic acid a glycoside has been isolated which is a 1-O-(α-D-glucopyranuronosyl)-2,3-diacylglycerol.
2. The trimethylsilyl derivatives of glycerol glycosides have been studied by mass spectrometry. Features of the fragmentation under electron impact of the trimethylsilyl derivatives of the glyceryl glucosides have been determined; the results obtained enable the method of combined gas-liquid chromatography and mass spectrometry to be used for the identification of diacylglyceryl uronosides in lipid fractions.
KeywordsMethyl Ester MeOH Glycoside Glyceryl Fatty Acid Residue
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