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  • Title: Biological activities of synthetic saponins and cardiac glycosides.
    Author: Takechi M, Doi K, Wakayama Y.
    Journal: Phytother Res; 2003 Jan; 17(1):83-5. PubMed ID: 12557254.
    Abstract:
    Comparisons of the biological activities of diosgenyl (DIO) beta-D-xylopyranosyl- (1 --> 2)-alpha-D-glucopyranoside (2DXalpha) and beta-D-glucopyranosyl- (1 --> 3)-beta-D-glucopyranoside (3GLbeta) or methyl glycyrrhetinate (GAM) 2DXalpha and 3GLbeta with those of the other DIO- or GAM- glycosides confirmed our assumption that both haemolytic and antifungal activities of DIO-glycosides (steroid saponins) generally parallel each other, while almost all haemolytic GAM-glycosides (triterpenoid saponins) have no antifungal activity. By comparisons of digitoxigenyl (DIG) 2DXalpha, beta-D-xylopyranosyl- (1 --> 2)-beta-D-glucopyranoside (2DXbeta) and 3GLbeta with the other DIG-glycosides, the previous supposition on DIG-diglycosides (cardiac diglycosides) has been developed into the assumption that those having a (1 --> 4), (1 --> 3) or (1 --> 2)beta sugar linkage show stronger anti-ATPase and antiviral activities than those with a (1 --> 6) or (1 --> 2)alpha linkage.
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