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- Emodin Anthrone 大黄素蒽酮
- The contents of emodin was determined by HPLC. 运用高效液相色谱法测定大黄素的含量。
- Conclusion:The sulfuric acid anthrone method is reasonable. 结论:该法可作为桑叶中多糖的含量测定方法。
- Results The crystal was determined as emodin by means of spectra. 结果经波谱法鉴定所得结晶为大黄素。
- Methods The determinations of emodin and rhein were carried out by HPLC. 方法采用高效液相色谱法对其不同酒制品进行含量测定。
- Conclusion This is a good method to produce pure emodin from R.palmatum. 结论该方法是大黄中大黄素较好的制备方法。
- Objective: To establish a method to determine emodin in Xiaozhi capsules. 目的:建立测定消脂胶囊中大黄素含量的方法。
- Method The contents of Fe and dextran were determined respectively by o-phenanthroline and anthrone methods. 方法采用邻二氮菲法及蒽酮法分别测定铁及右旋糖酐含量。
- Anthrone colorimetry method was adopted to determine the content of carbohydrate components. 采用蒽酮比色法测定了糖类成分的含量；
- MBFTRJ21 is mainly composed of polysaccharide, which is determined by Anthrone reaction, Coomassie blue reaction and Elson-Morgan method. 蒽酮反应、考玛斯亮蓝、Elson Morgan反应表明 ,絮凝剂MBFTRJ2 1为粘多糖类高分子絮凝剂 ;
- Objective: Establishing a quantitative method for determining emodin and chrysophanol in Compound Rhubarb Tincture to control its quality. 目的:建立复方大黄酊中大黄素和大黄酚的含量测定方法,控制复方大黄酊的生产质量。
- In this presence of water and polyethylene glycol, anthracene reacts with ceric ammonium nitrate and sodium bromate to form anthrone. 在醋酸、聚乙二醇存在下,蒽与硝酸铈铵和溴酸钠反应生成1-硝基蒽醌。
- In the presence of ethanonitrile and polyethylene glycol, anthrone reacts with ammonium ceric nitrate to form 1 nitroanthraquinone. 在乙腈、相转移催化剂聚乙二醇存在下,蒽酮与硝酸铈铵反应生成1-硝基蒽醌。
- Extraction and Determination of Emodin and Chrysophanol Contents in Semen Cassiae. 决明子大黄素和大黄酚的提取与含量测定。
- Total sugar content determination of seaweed polysaccharide by anthrone spectrophotometric methods under room temperature was studied in this paper. 本文报道了在室温下用蒽酮分光光度法测定海藻多糖总糖的含量。
- METHODS TLC was used to identify curcumin, rhein, emodin, chrysophanol and aloe-emodin. 方法:采用薄层层析法对供试品中姜黄素,大黄酸,大黄素,大黄酚和芦荟大黄素进行了鉴别;
- Method Emodin in preparation was extracted by acid hydrolysis and organic solvent, then was determined by HPLC. 方法:以酸水解-有机溶媒提取,HPLC法测定样品中游离大黄素及总大黄素的含量。
- AIM: To establish an extraction method of emodin from Radix polygoni multiflori . 目的:建立中药何首乌中大黄素的提取方法。
- Eugenol, chlorogenic acid,Emodin,tannic acid showed over 40% in hibition effect to soluble glucan. 对水不溶性葡聚糖和水溶性葡聚糖合成抑制的效果相对都比较好的是丁香酚、胡椒碱、茶多酚。
- Methods Orthogonal design was adopted and the contents of polysaccharide in leaves of Morus albal were identified by anthrone -sulfuricacid colorimetry and UV method. 采用蒽酮-硫酸比色法、紫外可见分光光度法测定桑叶多糖的含量。
