Sodium alginate and fucoidin were further purified, the purity of which was demonstrated homogeneously by chromatography on a sephadex G-75 column and acetate cellulose membrane electrophoresis.

将含量较高的前二者进一步纯化，乙酸纤维膜电泳和葡聚糖凝胶g - 75柱层析的结果表明纯化后的褐藻酸钠、褐藻糖胶是均一的。

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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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