乙醇回流法,ethanol refluxing method
1)ethanol refluxing method乙醇回流法
1.Flavonoids were extracted from Sophora flavescens by means ofethanol refluxing method,and measured by using of spectrophotometer at 510 nm.为探讨苦参中黄酮类化合物体外抑菌活性,采用乙醇回流法从苦参中提取含黄酮类化合物并用分光光度法在510 nm处测定黄酮含量。
2.CO2-SFE andethanol refluxing methods were repectively used to extract 1 -acetoxychavicol acetate(ACA) from Alpinia galanga(L.本实验采用CO2超临界流体萃取法(CO2-SFE)和乙醇回流法提取大高良姜的有效成分1"-乙酰氧基胡椒酚乙酸酯(ACA),通过硅胶柱纯化前后TLC图谱、HPLC图谱、有效成分ACA的含量及萃取物的物理指标为指标评价两种方法。
2)Ethanol Hot Refluxing乙醇回流提取法
3)hydrochloride and ethanol refluxing process盐酸乙醇回流法
1.Methods; Contents of ephedrine in the ephedra extact is index, the comparison study of method of decocting 、the ethanol refluxing 、hydrochloride and ethanol refluxing process ,comparison with ephedrine in their the dry pruduct of extract.方法:以麻黄提取物中麻黄碱含量为指标,考察水煎法、乙醇回流法和盐酸乙醇回流法经干燥的提取物中提取麻黄碱的多寡,并采用三水平四因素(盐酸摩尔浓度、盐酸乙醇倍数、回流时间、提取次数)正交试验法对盐酸乙醇提取条件进行优选。
4)Alcohol refluxing method醇回流法
5)Water-warm immersion-alcohol reflux水温浸-乙醇回流法
6)ethanol-extracting乙醇回流提取
1.The results showed that the optimized conditions ofethanol-extracting were as follows: 70% ethanol extracting at 80℃ for 1 h,and the ratio of material to solvent is 1:10,under which the extraction rate was 62.结果表明,乙醇回流提取的最佳工艺条件为乙醇浓度70%,料液比1:10,提取时间1h,提取温度80℃,最佳提取率为62。
英文短句/例句
1.Study on Optimum Extraction Conditions of Ethanol Hot Refluxing for Chlorogenic Acid in Flos Lonicerae金银花中绿原酸乙醇回流提取的条件优化研究
2.Study on optimizing ethanol refluxing extraction for Xiaoqinglong patch by orthogonal design method正交设计法优选小青龙贴膏乙醇回流提取工艺
3.Various methods such as Soxlet extracting ethanol-extraction, circumfluence ethanol-extraction, extraction refine and resin absorption have been used to extract and isolate Astragalosides.利用索氏醇提、回流醇提、萃取纯化、树脂吸附纯化法对黄芪皂甙进行了提取分离。
4.Effects of "ethanol extract from Polygonatum Odoratum" on Hemodynamics in Rats of Heart Failure Following Myocardial Infarction玉竹乙醇提取物对心梗后心力衰竭大鼠血流动力学的影响
5.Study on extraction process in the extract of Squilla Oratoria口虾蛄乙醇提取物的分离提取工艺研究
6.Objective: To investigate toxicity of ethanol extracts from hippocampus.目的研究海马乙醇提取物的毒性作用。
7.Anti-inflammatory activity of ethanol extracts from root of Daphne genkwa芫花根乙醇提取物的抗炎活性(英文)
8.Studies on Extraction Technology of Amygdalin in Loquat kernel by Ethanol;枇杷仁中苦杏仁苷乙醇提取工艺研究
9.Anti-inflammatory Effects of Echinacea Root Extract紫锥菊根乙醇提取物的抗炎作用研究
10.Optimizing Extraction of Flavonoids from Pomegranate Seeds螯合剂辅助乙醇提取石榴籽黄酮工艺
11.Research on Antimicrobial Activities of Ethanol Extracts from Ginger, Garlic and Hot Pepper蒜、姜、辣椒乙醇提取物抑菌活性的研究
12.Extraction of lotus seed polyphenols by microwave technique with ethanol微波法乙醇提取莲子酚类物质的工艺
13.Anti-inflammatory Effect of Duchesnea indica(Andr) Focke in vitro蛇莓乙醇提取物的体外抗炎机制研究
14.Experimental Studies on Hypoglycemic Effects of Alcohol Extracts From Eriobotrya japonica (Thumb.)Lindl枇杷叶乙醇提取物降血糖的实验研究
15.Extraction of wool keratin by mercaptoethanol-reduction method巯基乙醇还原法提取羊毛角蛋白(英文)
16.Total saponin extraction from Gynostemma superfine powder by ethanol乙醇提取绞股蓝超微粉总皂苷的研究
17.METHODS The5 F was extracted by methanol and determined by HPLC.方法用甲醇加热回流提取,反相高效液相色谱法定量分析。
18.Study on the Extraction of Zein by Ultrasonic Wave and Solvent Refluxing超声强化溶剂回流法提取玉米醇溶蛋白工艺的研究
相关短句/例句
Ethanol Hot Refluxing乙醇回流提取法
3)hydrochloride and ethanol refluxing process盐酸乙醇回流法
1.Methods; Contents of ephedrine in the ephedra extact is index, the comparison study of method of decocting 、the ethanol refluxing 、hydrochloride and ethanol refluxing process ,comparison with ephedrine in their the dry pruduct of extract.方法:以麻黄提取物中麻黄碱含量为指标,考察水煎法、乙醇回流法和盐酸乙醇回流法经干燥的提取物中提取麻黄碱的多寡,并采用三水平四因素(盐酸摩尔浓度、盐酸乙醇倍数、回流时间、提取次数)正交试验法对盐酸乙醇提取条件进行优选。
4)Alcohol refluxing method醇回流法
5)Water-warm immersion-alcohol reflux水温浸-乙醇回流法
6)ethanol-extracting乙醇回流提取
1.The results showed that the optimized conditions ofethanol-extracting were as follows: 70% ethanol extracting at 80℃ for 1 h,and the ratio of material to solvent is 1:10,under which the extraction rate was 62.结果表明,乙醇回流提取的最佳工艺条件为乙醇浓度70%,料液比1:10,提取时间1h,提取温度80℃,最佳提取率为62。
延伸阅读
双温法回流分子式：CAS号：性质：利用两种温度进行同位素交换并实现回流操作的方法。H2S-H2O体系富集氘时，冷塔中氘自气相H2S向液相H2O中富集。贫氘的H2S转入热塔后，温度升高α减小，氘又从H2O转入H2S内。低温塔富集氘，高温塔实际起化学相的转化作用。双温法相转化程度比化学法低，但经济、可靠。H2S-H2O双温交换过程是当今世界生产重水的主要方法。
