Chem. J. Chinese Universities

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Isolation and Identification of a New Furosteroidal Saponin from Fruits of Tribulus Terrestris L.

XU Ya-Jiuan1,3, HUANG Xiao-Lie3, XIE Sheng-Xu3, XU Tun-Hai2, XU Dong-Ming3, ZHANG Yu-Jing1   

    1. Department of Aricucture, Jilin University, Changchun 130000, China;
    2. Department of Traditional Chinese Medicine Chemistry, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100102, China;
    3. Key Laboratory of Traditional Chinese Medicine, Academy of Traditional Chinese Medicine and Material Medica of Jilin Province, Changchun 130021, China
  • Received:2006-03-06 Revised:1900-01-01 Online:2007-03-10 Published:2007-03-10
  • Contact: XU Ya-Jiuan

Abstract: Traditional Chinese Medicine “jili”(Tribulus Terrestris L.) is the important medicine used to treat cardiovascular diseases. A new furosteroidal saponin, together with a known steroidal saponins, were isolated from the fruits of T. Terrestris L.. The structure of the new furosteroidal saponin, named Tribuluside A, was elucidated as 26-O-β-D-glucopyranosyl-(25R)-5α-furost-3β, 22α,26-triol-3-O-[β-D-Xylopyranosyl(1→3)]-[β-D-xylopyranosyl(1→2)]-β-D-glucopyranosyl(1→4)-[α-L- rhamnopyranosyl(1→2)]-β-D-galactopyranoside mainly by using 1D, 2D NMR techniques, ESI-MS analysis as well as chemical methods.

Key words: Tribulus terrestris L., Active component, Steroidal saponin

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