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Antiplatelet components in Panax ginseng.

S C Kuo1, C M Teng, J C Lee

  • 1Graduate Institute of Pharmaceutical Chemistry, China Medical College, Taichung, Taiwan.

Planta Medica
|April 1, 1990
PubMed
Summary

Panax ginseng contains antiplatelet compounds. Panaxynol and specific ginsenosides (Ro, Rg1, Rg2) were identified, with Panaxynol showing broader inhibition of platelet activity.

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Area of Science:

  • Pharmacology
  • Natural Products Chemistry
  • Biochemistry

Background:

  • Platelet aggregation plays a crucial role in thrombosis.
  • Panax ginseng is a traditional medicinal herb with various bioactive compounds.
  • Identifying specific antiplatelet agents from natural sources is important for drug discovery.

Purpose of the Study:

  • To identify and characterize the main antiplatelet components in Panax ginseng extracts.
  • To investigate the specific mechanisms of action of these identified compounds on platelet function.

Main Methods:

  • Activity-guided fractionation of Panax ginseng extracts using diethyl ether and 1-butanol solvents.
  • In vitro assays to assess the effects of isolated compounds on rabbit platelet aggregation, release reaction, and thromboxane formation.

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Main Results:

  • Panaxynol was identified as a key antiplatelet component in the diethyl ether fraction.
  • Ginsenosides Ro, Rg1, and Rg2 were identified as antiplatelet components in the 1-butanol fraction.
  • Panaxynol inhibited platelet aggregation, release reaction, and thromboxane formation, while ginsenosides Ro, Rg1, and Rg2 primarily suppressed the release reaction.

Conclusions:

  • Panax ginseng possesses potent antiplatelet compounds, notably Panaxynol and specific ginsenosides.
  • Panaxynol exhibits a more comprehensive inhibitory effect on platelet activation compared to the studied ginsenosides.
  • These findings highlight the therapeutic potential of Panax ginseng-derived compounds in managing thrombotic disorders.