Studies on chemical constituents of Asparagus cochinchinensis
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Supported by National Natural Science Foundation of China(20472113) .

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    Abstract:

    Objective:To study the chemical components in the root of Asparagus cochinchinensis (Lour.) Merr. Methods: Chemical components of Asparagus cochinchinensis root were isolated by column chromatography on macroporous resin, Silgel, Sephadex LH20, ODS, etc. and the structures of the components were identified by physiochemical and spectral analysis, such as MS, 1HNMR, and 13CNMR. Results: The following 5 components were isolated and identified: diosgenin3OβDglucopyranoside(Ⅰ), smilagenin(Ⅱ), 26OβDglucopyranosylfurost3β,22,26triol3OβDglucopyranosyl(1→2)OβDglucopyranoside(Ⅲ),26OβDglucopyranosylfurost5,20en3β,2α,26triol3O\[αα rhamnopyranosyl(1→2)\]\[ααrhamnopyranosyl(1→4)\]βDglucopyranoside(Ⅳ), and 26OβDglucopyranosylfurost3β, 26diol22methoxy3OαLrhamnopyranosy(1→4)OβDglucopyranoside (Ⅴ). Conclusion: All the 5 compounds isolated from Asparagus cochinchinensis in this study is reported for the first time.

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History
  • Received:July 23,2007
  • Revised:
  • Adopted:
  • Online: November 21,2007
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