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  • Title: Two oligosaccharides from Marsdenia roylei.
    Author: Kumar A, Khare A, Khare NK.
    Journal: Phytochemistry; 1999 Apr; 50(8):1353-7. PubMed ID: 10326255.
    Abstract:
    Phytochemical analysis of dried twigs of Marsdenia roylei (family Asclepiadaceae) has resulted in the isolation of a trisaccharide, maryal, and a diglycoside, rolinose. Their structures were determined as O-beta-D-oleandropyranosyl-(1-->4)-O-beta-D-digitoxopyranosyl++ +-(1-->4)-D- cymaral and ethyl O-beta-D-oleandropyranosyl-(1-->4)-O-3-O-methyl-6-deoxy-beta-D- allopyranoside, respectively, by chemical degradation and spectroscopic methods.
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