Journal of Natural Products 1998-Oct
Aculeoside B, a new bisdesmosidic spirostanol saponin from the underground parts of Ruscus aculeatus.
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Abstrakt
From the underground parts of Ruscus aculeatus, a new bisdesmosidic spirostanol saponin named aculeosides B (2) was isolated, and its structure was determined on the basis of spectroscopic analysis, including 2D NMR techniques. Aculeoside A (1), which was previously isolated from the same plant source, exhibited inhibitory activity on cell growth of leukemia HL-60 cells with an IC50 value of 0.48 microgram mL(-1), while aculeoside B (2) was inactive.