Antithrombogenic and Antiplatelet Activities of Extract from Maackia amyrensis Wood
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Antithrombogenic and antiplatelet effects of a new drug, containing isoflavonoids (extract from the wood of Maackia amyrensis, a Far Eastern plant), were studied. A course (200 mg/kg intragastrically during 14 days) of Maackia amyrensis extract prevented intravascular clotting, initiated by application of 10% iron chloride solution on the vessel. The drug increased antiaggregant activity of the vascular wall and potentiated endothelium-dependent vasodilatation in ovariectomied rats. The reference drug ethinylestradiol (25 μg/kg intragastrically during 14 days) potentiated the antiaggregant effect of the endothelium, but was inferior to Maackia amyrensis extract in the capacity to induce endothelium-dependent vasodilatation in ovariectomied rats.
Key Wordsthrombosis ovariectomy isoflavonoids Maackia amyrensis extract ethinylestradiol
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