中文摘要：

目的：对药材桃儿七的化学成分进行研究。方法：利用大孔吸附树脂柱色谱、Sephadex LH-20柱色谱、ODS柱色谱、硅胶柱色谱进行分离纯化,通过理化常数和波谱分析技术进行结构鉴定。结果：从桃儿七中分离得到9个化合物,分别鉴定为：异苦去氧鬼臼毒素（Ⅰ）、3β-羟基-7α-甲氧基-24β-乙基-胆甾-5-烯（Ⅱ）、5α,8α-过氧-（22E,24R）-麦角甾-6,22-二烯-3β-醇（Ⅲ）、7β-羟基-谷甾醇（Ⅳ）、β-谷甾醇（Ⅴ）、胡萝卜苷（Ⅵ）、α-棕榈酸甘油酯（Ⅶ）、α-D-葡萄糖（Ⅷ）、5-羟甲基糠醛（Ⅸ）。结论：化合物Ⅰ～Ⅳ、Ⅶ～Ⅸ为首次从该属植物中分离得到。

英文摘要：

Objective：To investigate the chemical constituents in the roots and rhizomes of Sinopodophyllum emodi.Methods： The compounds were isolated by many different chromatographic methods such as silica gel,Sephadex LH-20,and ODS column.Their structures were identified by their physicochemical properties and spectrascopic data.Results： Nine compounds were isolated and identified as isopicrodeoxypodophyllotoxin（Ⅰ）,3β-hydroxy-7α-methoxy-24β-ethyl-cholest-5-ene（Ⅱ）,5α,8α-epidioxy-（22E,24R）-ergosta-6,22-dien-3β-ol（Ⅲ）,7β-hydroxysitosterol（Ⅳ）,β-sitosterol（Ⅴ）,daucosterol（Ⅵ）,α-glyceryl palmitate（Ⅶ）,α-D-glucose（Ⅷ）,5-hydromethyl furaldehyde（Ⅸ）.Conclusion： Compounds Ⅰ~Ⅳ,Ⅶ~Ⅸ are obtained from this genus for the first time.