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Updated: Sep 21, 2026

Mass Spectrometric Analysis of Glycosphingolipid Antigens
Published on: April 16, 2013
New glycosphingolipid containing an unusual sphingoid base from the basidiomycete Polyporus ellisii
1Department of Phytochemisty, Kunming Institute of Botany, Chinese Academy of Sciences, People's Republic of China.
Abstract:
A new 9-methyl-sphinga-4,8-dienine-containing glucocerebroside (1), together with two additional known analogs, cerebrosides B and D, was isolated from the chloroform-soluble lipid fraction of the ethanol and chloroform/methanol extract of the fruiting bodies of the basidiomycete Polyporus ellisii Berk. and characterized. The structure and relative stereochemistry of the new compound were identified as (2S,3R,4E,8E-1-(beta-D-glucopyranosyl)-3-hydroxy-2-[(R)-2'-hydroxyheptadecanoyl]amino-9-methyl-4,8-octadecadiene by means of spectroscopic (1H,13C, and two-dimensional nuclear magnetic resonance; mass spectrometry) and chemical methods.
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