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  • Title: Pentacyclic triterpenoid saponin from Cyclamen coum.
    Author: Yayli N, Baltaci C, Zengin A, Küçükislamoğlu M, Genç H, Küçük M.
    Journal: Planta Med; 1998 May; 64(4):382-4. PubMed ID: 9619124.
    Abstract:
    A new triterpenoid saponin, coumoside B, has been isolated from the whole plant of Cyclamen coum. The structure of the compound 3 (C58H92O27) has been deduced by NMR (400 MHz) methods based on the 1H, 13C, DEPT, 1H-1H COSY, HETCOR, NOESY-NMR experiments, and FAB-mass spectrum. Compound 3 was shown to have the structure 16 alpha-hydroxy-3 beta-[[[[beta-xylopyranosyl-(1-->2)]-[beta-glucopyranosyl-(1-->4)]- [beta-glucopyranosyl-(1-->2)]- alpha-arabinopyranosyl]-oxy]olean-12-eno-30,28-lactone and is named coumoside B.
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