Methods Polysaccharides of Codium fragile were extracted by using hot water extraction and ethanol precipitation.
方法采用热水浸提乙醇沉淀法制备刺松藻多糖。
The crude polysaccharides from Enteromorpha linea were extracted by hot water and refined by ethanol precipitation method.
采用热水浸提、醇沉精制提取缘管浒苔粗多糖，并研究了其理化性质。
The extracting conditions of pectin from akebia trifoliate koiaz peels with the ways of ethanol precipitation or FeCl3 solutions were studied.
以三叶木通果皮为原料，分别采用乙醇沉析法和铁盐沉淀法探讨了提取果胶的最佳工艺。
Methods The extraction process was investigated by solvent extraction and ethanol precipitation, with extractive yield and chlorogenic acid as the indexes.
方法以绿原酸含量和提取物得率为考察指标，通过对水提和水提醇沉两种方法进行比较。
Cold salt water or cooling water can be poured into the jacket. The liquor is stirred and cooled evenly, thereby obtain desired temperature for ethanol precipitation.
筒体夹套内可通入冷冻盐水或冷却水，通过搅拌，使料液均匀冷却，控制醇沉所需温度。
Through dipping in hot water and ethanol precipitation, a kind of proteinase A inhibitor can be selected from the powder of Ganoderma lucidum by submerged fermentation ;
采用热水抽提、乙醇分级沉淀等步骤从灵芝发酵全粉中初步筛得一种粗蛋白酶A抑制剂；
Methods: Polysaccharides of Snakegourd root were obtained by hot water extraction and ethanol precipitation and its contents were determined with Phenol vitriol colorimetry.
方法：用水提醇沉法提取天花粉多糖，用酚-硫酸比色法测定多糖含量。
Methods the Soxhlet extractor method was adopted for the extraction of pigments, and acid extraction and ethanol precipitation method was used for the preparation of pectin.
方法用索氏提取法提取色素，酸提取乙醇沉淀法制取果胶。
After ethanol precipitation, OPC was separated by ethyl acetate-ligroin system. Content of OPC was determined by normal butyl alcohol-hydrochloric acid method at 546 nm to be over 90%.
提取物经醇沉后，用石油醚沉淀法分离低聚原花青素，产物经正丁醇-盐酸法显色，比色法测定质量含量可达90%以上。
The fucoidan product was obtained by pretreatment of algae powder with high concentration ethanol, diluted acid extraction, concentration under vacuum, ethanol precipitation and lyophilization.
采用高浓度醇溶液处理羊栖菜粉、稀酸提取、减压浓缩、乙醇分级沉淀和冷冻干燥等单元操作，可以获得褐藻糖胶产品。
METHODS:Using microwave technique, polysaccharides of Snakegourd root were obtained by hotwater extraction and ethanol precipitation, and content was determinated with phenol-vitriolic colorimetry.
方法：运用微波技术用水提醇沉法提取天花粉多糖，用酚-硫酸比色法测定多糖含量。
Objective: To study the effects of water extraction, water extract-alcohol precipitation and ethanol ultrasonic extraction on the content of astragalus saponin.
目的：研究水提法、水提醇沉法、乙醇超生提取法三种提取方法对黄芪总皂苷的影响。
Results the alkaloid content was the highest after circumfluence extraction by ethanol acid-base precipitation.
结果采用乙醇回流提取后，利用酸提碱沉法，盐酸药根碱与盐酸巴马汀含量最高。
Especially after washing the precipitation using ethanol, there are almost no agglomerate particles.
其中，乙醇作为氢氧化锆沉淀洗涤介质时，可以有效地消除粉末团聚颗粒。
At the same time, synthetic resin of strong adhesion is used to process the surface of the pigment and achieve perfect anti-precipitation and ethanol soluble properties.
同时用合成的强粘附力树脂，对颜料进行表面处理，达到极好的防沉性和乙醇可溶性。
At the same time, synthetic resin of strong adhesion is used to process the surface of the pigment and achieve perfect anti-precipitation and ethanol soluble properties.
同时用合成的强粘附力树脂，对颜料进行表面处理，达到极好的防沉性和乙醇可溶性。
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