In vitro effects of buyang huanwu decoction and its ingredients on inhibiting the specific binding of 3H-platelet activating factor to its receptor in rabbits

The results of orthogonal test show that Honghua, Shenghuangqi, Taoren, Dilong, Dangguiwei are major influencing factors to inhibit binding of 3H-PAF to PAFR in rabbits, among which, Honghua is the strongest in ingredients of prescription BHD. The results also reveal that Shenghuangqi is able to weaken the inhibitory effect and to prevent the strong inhibitory effect of blood-activating drugs in BHD.