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Triterpenoidal saponins from the bark of Kalopanax pictum var. typicum.

One new triterpenoidal saponin, saponin F(2) has been isolated from the bark of Kalopanax pictum Nakai var. typicum (Araliaceae), together with one known saponin, kizuta saponin K12 (1). On the basis of chemico-spectral evidences, the structure of 2 has been elucidated to be 3-O-beta-D-xylopyranosyl(1-->3)-alpha- L-rhamnopyranosyl(1-->2)-alpha- L-arabinopyranosyl-23-hydroxyolean-12-en-28-O-alpha-L- rhamnopyranosyl(1-->4)-beta-D-glucopyranosyl(1-->6)-beta-D-glucopyranosy l ester.[1]


  1. Triterpenoidal saponins from the bark of Kalopanax pictum var. typicum. Cho, S.H., Hahn, D.R. Arch. Pharm. Res. (1991) [Pubmed]
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