METHODS The column chromatography of silica gel and sephadex were used to isolate those constituents. IR, 1H-NMR and MS were used to identify the compounds.

方法 用硅胶和凝胶柱色谱进行分离 ，根据理化性质、波谱特征鉴定结构。

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METHOD S The column chromatography of silica gel and sephadex were used to isolate those constituents.

方法用硅胶和凝胶柱色谱进行分离，根据理化性质、波谱特征鉴定结构。

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Methods: The gel filtration chromatography with Sephadex G-25 was used to separate different components from the small intestine extracts of sheep.

方法：葡聚糖凝胶分离及反相高效液相色谱法提纯 羊小肠活性抗菌肽；

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