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.
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。
3
The ethyl acetate and n-butanol extraction were chromatographed on silica gel column, polyamide column, sephadex LH-20 column and preparing TLC, respectively.