약학회지 (YAKHAK HOEJI)

  • 제39권3호
  • /
  • Pages.337-345
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  • 1995
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  • 0377-9556(pISSN)
  • /
  • 2383-9457(eISSN)
대한약학회 (The Pharmaceutical Society of Korea)
권호 표지

Ginkgolide B 및 ginkgoflavonoids의 in vitro와 ex vivo 및 임상에서의 항혈전 작용

Anti-platelet Aggregation Effect of Ginkgolide B and Ginkgoflavonoids, Extracted from Ginkgo biloba, in Vitro, ex Vivo and in Clinic.

  • 발행 : 1995.06.01
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초록

The effects of ginkgolides(natural mixture of ginkgolides, ginkgolide B, ginkgolide C) and flavonoids(quercetin, kaempferol, myricetin), extracted from Ginkgo biloba, on ADP and PAF-induced platelet aggregation in vitro and ex vivo were investigated. In these experiments, both of ginkgolides and ginkgoflavonoids did not affect the ADP(5 $\mu{M}$) induced platelet aggregation in vitro. The IC$_{50}$ value on PAF (0.3 $\mu{M}$) induced platelet aggregation were 2.52 $\mu{M}$ (ginkgolide B) and 6.35 $\mu{M}$ (natural mixture of ginkgolides) and 2.80 $\mu{M}$ (mixture of ginkgolide B and quercetin). Oral administration of ginkgolide B (1 and 3 mg/kg) and quercetin (3 and 9 mg/kg) to rabbits inhibited ex vivo PAF induced platelet aggregation in a dose-dependent manner. Ginkomin-F tablets administered to the diabetic patients showed inhibitory activities on the ADP and PAF induced platelet aggregation in a dose and time dependent manner.

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