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瑞香素80 mg/kg iv对大鼠实验性血栓形成有明显的抑制作用,抑制率54%,在试管内当浓度为0.025,0.05及0.1 mg/ml时,可抑制ADP诱导的家兔血小板聚集。iv 80 mg/kg 5 min,对ADP诱导的家兔血小板聚集也有明显的抑制作用。iv 40及80 mg/kg 20 min,皆可使血小板粘附性降低;并能延长小鼠凝血时间。iv 80 mg/kg 5 min,对家兔纤维蛋白原含量,全血粘度及血浆比粘度均无明显影响。
Daphnetin 80 mg / kg iv significantly inhibited the experimental thrombosis in rats, with a 54% inhibition rate. In vitro concentration of daphnetin 0.025, 0.05 and 0.1 mg / ml inhibited ADP-induced platelet aggregation in rabbits . iv 80 mg / kg 5 min, ADP-induced platelet aggregation also significantly inhibited. iv 40 and 80 mg / kg 20 min, can reduce platelet adhesion; and can extend the clotting time in mice. iv 80 mg / kg 5 min, no significant effect on fibrinogen content, whole blood viscosity and plasma specific viscosity in rabbits.