Active portion were extracted from the Rhizoma Anemarrhenae, bio-assayed with pharmacological activities on rat cerebral ischemia model and five compounds were obtained from it.

• 本课题应用大鼠局灶性脑缺血试验模型跟踪筛选,获得中药知母中防治脑中风有效部位并从中分离得到5个单体化合物,该有效组份群为知母总皂苷。