METHODS:TLC and phenol-sulfuricacid methods were used to qualitative and quantitative analysis of polysaccharides.
方法：采用薄层色谱法和苯酚—硫酸比色法。
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Methods the content of - glucan determined by phenol - sulfuricacid method, congo red method, two enzymes method and modified two enzymes method, respectively and compare these four methods.