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The Pharmaceutical Society of Korea (대한약학회)
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Platelet Anti-Aggregatory Effects of Coumarins from the Roots of Angelica genuflexa and A. gigas

  • Lee, Yong-Yook (Natural Products Research Institute, Seoul National University) ;
  • Lee, Sang-Hyun (Natural Products Research Institute, Seoul National University) ;
  • Jin, Jing-Ling (Natural Products Research Institute, Seoul National University) ;
  • Yunchoi, Hye-Sook (Natural Products Research Institute, Seoul National University)
  • Published : 2003.09.01
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Abstract

Five coumarins, isoimperatorin (1), pabulenol (2), isooxypeucedanin (3), oxypeucedanin hydrate (4) and osthol (5) were isolated from the MeOH extract of Angelica genuflexa in the course of searching for anti-platelet and anti-coagulant components from plants. Pabulenol (2) was isolated from A. genuflexa for the first time. The five compounds isolated from A. genuflexa, together with decursinol angelate (6), decursin (7) and nodakenin (8) from A. gigas were evaluated for their effects on platelet aggregation and blood coagulation. Compounds 2, 5, 6 and 7 were observed to be either equally effective or 2∼4 times more inhibitory than ASA in both arachidonic acid and U46619 ($TXA_2$ mimetic) induced platelet aggregations.

Keywords

References

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