满山白系杜鹃花科植物毛果杜鹃(Rhododendron seniavinii Maxim.).福建省建阳地区用其根和叶治疗慢性气管炎千余例,对止咳、祛痰均有较好的疗效.有关满山白化学成分的研究国内外尚未见报道,为进一步阐明其有效成分,进行了化学成分的研究. 满山白干叶粉经分离后得到1～7七个成分.经化学、物理性能比较及红外、核磁共振、. Rhododendron seniavinii Maxim. Rhododendron seniavinii Maxim.. The roots and leaves of Jianyang area in Fujian Province are used to treat more than 1,000 cases of chronic bronchitis. It has good curative effect on cough and sputum. The study of white chemical constituents has not been reported at home and abroad. In order to further elucidate its active ingredients, chemical constituents have been studied. The white dry leaf powder of M. fruticosa has been separated to obtain 1 to 7 components. Chemical and physical properties were compared with that of infrared, MRI,