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Xu Y.-J.,Academy of Traditional Chinese Medicine of Jilin Province | Xu Y.-J.,Tianjin University of Traditional Chinese Medicine | Xu T.-H.,Beijing University of Chinese Medicine | Zhou H.-O.,Academy of Traditional Chinese Medicine of Jilin Province | And 6 more authors.
Journal of Asian Natural Products Research | Year: 2010

Two new furostanol saponins were isolated from the fruits of Tribulus terrestris L. Their structures were established as 26-O -β d-glucopyranosyl-(25S)-5α-furost-20(22)-en-3β,26-diol-3-O-α l-rhamnopyranosyl-(1→2)-[-d-glucopyranosyl-(1→4)] β- d-galactopyranoside (1) and 26-O-βd-glucopyranosyl-(25S)-5α-furost- 20(22)-en-12-one-3β,26-diol-3-O - d-galactopyranosyl-(12) - d-glucopyranosyl-(14) - d-galactopyranoside (2) on the basis of spectroscopic data as well as chemical evidence. © 2010 Taylor & Francis. Source

Xu Y.,Academy of Traditional Chinese Medicine of Jilin Province | Xu Y.,Jilin University | Bai L.,Academy of Traditional Chinese Medicine of Jilin Province | Liu Y.,CAS South China Sea Institute of Oceanology | And 7 more authors.
Molecules | Year: 2010

A new triterpenoid saponin was isolated from Pulsatilla cernua, along with eight known triterpenoids and triterpenoid glycosides. The new compound was identified as 3-O-β-D-glucopyranosyl-(1→4)-α-L-arabinopyranosyl- bayogenin-28-α-L-rhamnopyranosyl-(1→4)-β-D-glucopyranosyl- (1→6)-β-D-glucopyranosyl ester (1) on the basis of 1D, 2D-NMR techniques, including COSY, HMBC, and HMQC correlations, MS analysis, as well as chemical methods. © 2010 by the authors. Source

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