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Higano, T. et al.

Convallasaponin A, a New 5beta-Spirostanol Triglycoside from the Rhizomes of Convallaria majalis.

The rhizomes of Convallaria majalis have been analyzed for their steroidal glycoside constituents, resulting in the isolation of a new 5beta-spirostanol triglycoside, named convallasaponin A, along with two known cardenolide glycosides and a known cholestane glycoside. The structure of convallasaponin A was determined on the basis of extensive spectroscopic analysis, including 2D NMR data, and the results of hydrolytic cleavage. The cardenolide glycosides showed tumor specific cytotoxic activity.[1]

References

Convallasaponin A, a New 5beta-Spirostanol Triglycoside from the Rhizomes of Convallaria majalis. Higano, T., Kuroda, M., Sakagami, H., Mimaki, Y. Chem. Pharm. Bull. (2007) [Pubmed]

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