Research on antithrombotic effect of total saponins of Astragalus / 中成药

Objective: To research antithrombotic effect and mechanism of total saponins of Astragalus (TSA).Methods: Effects of TSA on artery thrombosis anud platelet aggregation were studied, at dosage of 50,100,200mg/kg. And level of TXA 2,PGI 2 in plasma, content of NO in serum of rats were determined.Results: TSA could restrain artery thrombosis and platelet aggregation of rats, and increase PGI 2 and NO.Conclusion: There was apparently antithrombotic effect of TSA.