应用Sephadex G100凝胶色谱方法从江西产粗老茶叶中提取纯化得到茶多糖蛋白(TGC).通过高效液相色谱法对其纯度进行了分析,表明其为均一组分,进而应用凝胶法和高效液相色谱-电喷雾质谱法测得该茶多糖蛋白的相对分子质量为51 500.
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