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. 2003 Aug;17(4):287-92.
doi: 10.1080/1478641031000136997.

A new steroidal saponin from Dioscorea zingiberensis Wright

Wenji Sun  1 , Guangzhong Tu, Yongmin Zhang
Affiliations

A new steroidal saponin from Dioscorea zingiberensis Wright

Wenji Sun et al. Nat Prod Res. 2003 Aug.

Abstract

Two compounds were obtained from the rhizome of Dioscorea zingiberensis Wright. One of them was elucidated as dioscin, the other one was a new compound and characterized as Spirost-5-en-3-yl beta-D-glucopyranosyl (1 --> 3)-beta-D-glucopyranosyl (1 --> 4)-[alpha-L-rhamnopyranosyl (1 --> 2)]-beta-D-glucopyranoside, structure was determined on the basis 2D NMR spectroscopic technique and the result of acid hydrolysis.

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