QN capsules could significantly decrease the contents of cerebral water, the cerebral index, the brain vascular permeability, the MDA contents of brain tissue and NO content of plasma and improve the activities of SOD and GSH-px during acute incomplete brain ischemia reperfusion in rats. 可显著降低脑缺血再灌注模型大鼠的脑含水量、脑指数、脑毛细血管通透性及脑组织中的MDA和NO的含量;显著升高SOD和GSHpx的活性。