Vasorelaxational effects of total alkali Sophora alopecuroids on rabbit aorta in vitro Endothelium-independent vasorelaxant effect of puerarin on rat thoracic aorta Effects of resveratrol on isolated thoracic aorta rings of rats Vasodilation of procyanid ins from grape seeds on isolated rabbit aorta Endothelium-independent vasorelaxant effect of Taurine on rat aorta rings Vasorelaxational effects of procyanidins on rabbit aorta in vitro and decreasing arterial blood pressure in vivo Vasorelaxational effects of total alkali Sophora alopecuroids on rabbit aorta in vitro