Effects of methyl protodioscin on i and ATPase activity incardiomyocytes and analysis of mechanisms Antithrombotic components in Dioscorea nipponica Study on chemical constituents in total saponin from Trigonella foenum-graecum Determination of six kinds of index components in Dieda Zhitong San by HPLC-DVD variable wavelength method Determination of plasma protein binding rate of methyl protodioscin with ultrafiltration Antithrombotic components in Dioscorea nipponica