Simultaneous determination of multicomponent in Xuefuzhuyu granule with different UV-wavelength by HPLC Effects of Processing on Specific Toxicity and Pharmacodynamics of Radix Kansui,Radix Achyranthis Bidentatae and Semen Armeniacae Amarum Stuides on Evaluation of Semen Armeniacae Amarum Effected by Decoction Time Discrimination between Xingren(Semen Armeniacae)and Taoren (Samen Persicae) by Polyacrylamide Gel Electrophoresis Studies on the Source Plants of Semen Armeniacae Amarum and Their Distribution