Objective : To optimize the best alcohol - precipitation procedure for compound Arnebia Euchroma preparation.

目的: 优选复方紫草制剂的最佳醇沉工艺.

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Aim To determine the alcohol precipitation techniques for Armillariella tabescens.

目的确定亮菌多糖的醇沉工艺.

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Crude polysaccharides were prepared from powered Spirulina platensis by hot water extraction, alcohol precipitation, deproteinization.

螺旋藻干粉经热水抽提 、 醇析、脱蛋白得粗多糖,经凝胶柱层析纯化得到白色粉末状多糖纯品.

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Experimental Methodsare: Crude polysaccharide was gained throngh 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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The process conditions of separation and purification via diatom earth filtration and alcohol precipitation were studied.

醇析法是一种有效分离提纯黄原胶的方法.

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