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Related Experiment Videos

Stilbene glycoside sulfates from Polygonum cuspidatum.

K Xiao1, L Xuan, Y Xu

  • 1Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 294 Taiyuan Road, Shanghai 200031, People's Republic of China.

Journal of Natural Products
|November 15, 2000
PubMed
Summary

Ten stilbene glycoside sulfates were isolated from Polygonum cuspidatum roots. Their chemical structures were identified using advanced spectroscopic methods, including 2D NMR.

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Area of Science:

  • Phytochemistry
  • Natural Product Chemistry
  • Organic Chemistry

Background:

  • Polygonum cuspidatum is a traditional medicinal plant.
  • Stilbenes are a class of natural compounds with potential biological activities.
  • Sulfated stilbenes are less explored natural products.

Purpose of the Study:

  • To isolate and characterize naturally occurring stilbene glycoside sulfates from Polygonum cuspidatum.
  • To elucidate the chemical structures of these compounds using spectroscopic techniques.

Main Methods:

  • Aqueous extraction of Polygonum cuspidatum root.
  • Isolation of ten compounds using chromatographic techniques.
  • Structure elucidation using spectroscopic methods, including 1D and 2D Nuclear Magnetic Resonance (NMR) and Mass Spectrometry.

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Main Results:

  • Ten naturally occurring stilbene glycoside sulfates, designated 1-10, were successfully isolated.
  • The chemical structures of all ten compounds were determined.
  • The study confirmed the presence of sulfated stilbene glycosides in Polygonum cuspidatum.

Conclusions:

  • The research provides a detailed structural analysis of ten stilbene glycoside sulfates from Polygonum cuspidatum.
  • This study contributes to the understanding of the phytochemical diversity of Polygonum cuspidatum.
  • The findings may serve as a basis for further investigation into the biological activities of these compounds.