研究广防风属植物广防风的化学成分，从中寻找具有生物活性的天然化合物。方法采用硅胶和反相硅胶RP-18柱色谱分离，运用有机波谱分析确定化合物结构。结果从广防风水提取物中分离得到3个苯乙醇苷类化合物。

The sign if icance and presen tresearch situation of biotran sformation of Chinese materi-am edica(CMM) were rev iewed in this article.Based on the references and our studies in biotran sfor-mationof CMM,the idea of biotran sformation of CMM’s total con stituents was put forward.