美國聯邦專利局核准活心素(Notoginseng,
美國專利號 U.S. Patent#6,500,468)以下功能﹕“活心素能幫助擴張血管,
調整血流量, 降低 臟器官耗氧量,增強心血管系統免疫功能,抗血栓、抗血管硬化,抗動脈粥樣硬化
” 原文如下﹕Notoginseng can help cerebral blood
vessel dilatationrease cerebral blood flow,
reduce the oxygen consumption of organismrease
the orgainism’s resistance to oxygen shortage,
decrease cerebrovascular resistance, enhance immune
function of organism, prevent shock caused by
bleeding, and provide functions of resisting thrombus,
blood coagulation, and atherosclerosis.”