Choose method of TCA by comparing with deproteinization method.
对除蛋白方法进行了比较，选定TCA法。
Crude polysaccharide was gained by hot water extraction, alcohol precipitation, decolorization and deproteinization.
以莪术为材料，经热水提取、酒精沉淀、脱色、脱蛋白得粗多糖。
ObjectiveTo investigate the optimum conditions of extraction and deproteinization from polysaccharide of Dendrobium devonianum.
目的研究兜唇石斛多糖提取及脱蛋白的制备工艺。
Experimental Methodsare: Crude polysaccharide was gained through hot water extraction, alcohol precipitation, decolorization and deproteinization.
莪术经热水提取，酒精沉淀，脱色，脱蛋白得粗多糖。
Experimental Methodsare: Crude polysaccharide was gained through hot water extraction, alcohol precipitation, decolorization and deproteinization.
莪术经热水提取，酒精沉淀，脱色，脱蛋白得粗多糖。
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