Methods DEAE-cellulose and gel-filtration chromatography were used to isolate and purify the polysaccharides whose structures were characterized by using chemical and spectral methods.
方法采用DEAE -纤维素柱色谱和凝胶渗透色谱进行分离纯化，化学和光谱方法分析其结构特征。
2
Methods DEAE-Cellulose and gel-filtration chromatography were used to isolate and purify the polysaccharides, whose structures were characterized by chemical and spectral methods.
方法采用DEAE -纤维素柱色谱和凝胶渗透色谱分离纯化，化学和光谱方法分析其结构特征。
3
METHODS DEAE-cellulose and gel-filtration chromatography were used to isolate and purify the polysaccharide whose structure was characterized by using chemical and spectral methods.