Vasodilation of procyanid ins from grape seeds on isolated rabbit aorta Vasorelaxational effects of total alkali Sophora alopecuroids on rabbit aorta in vitro Vasorelaxational effects of total alkali Sophora alopecuroids on rabbit aorta in vitro Vasorelaxational effects of procyanidins on rabbit aorta in vitro and decreasing arterial blood pressure in vivo