HPLC Determination of Gentiana gentiopicrin content and pharmacokinetic study HPLC法测定秦艽中龙胆苦苷含量及药动学的研究
Results: The content of gentiopicrin in the extract is28.69%. 结果:使提取物中龙胆苦苷的含量达到28。
Objective: To establish a RP-HPLC method for the determination of swertiamarin, sweroside, gentiopicrin and oleanolic acid in different parts of Swertia pseudochinesis. 目的:建立应用RP-HPLC测定当药及不同部位中獐牙菜苦苷、当药苷、龙胆苦苷和齐墩果酸的含量测定方法。
Objective To compare the content of gentiopicrin in Gentiana Manashurica Kitag from two different northeastern regions. 目的对东北不同产地的龙胆中龙胆苦苷的含量进行比较。
The Etiology of Rough Gentian Leaf Blight Study of Extraction Craft of Gentiopicrin from Gentian 龙胆药材中龙胆苦苷的提取工艺研究
Results The content of gentiopicrin is similar in the extracts extracted by three methods and the content of paeoniflorin is higher in alcohol-percolating extract than in alcohol-refluxing extract, lowest in water-extraction. 结果3种方法制备的提取物中龙胆苦苷含量基本相等,而芍药苷在醇渗漉提取物中含量明显高于醇回流提取物,水煎提取物中含量最低。
The rats were divided into gentiopicrin group and emodin group and the drugs were administered orally. 大鼠分为龙胆苦苷实验组和大黄素实验组,一次灌胃给药,定时眼底静脉丛取血,肝素抗凝或不抗凝。
Supersonic extraction of gentiopicrin in Gentiana Macrophylla pall and determination of its content by HPLC 超声提取-HPLC法测定秦艽中龙胆苦苷的含量
Conclusion Gentiopicrin are chiefly concentrated on the parts of the heart-wooded. 结论秦艽龙胆苦苷主要集中在根心材部分。
Studies on the Determination of Gentiopicrin in GanSu Capsules 肝舒胶囊中龙胆苦苷含量测定的研究
METHODS: The extraction craft was optimized by orthogonal test with gentiopicrin as an index, and the content of gentiopicroside was determined by TLC scanning method. 方法:以龙胆苦苷为指标,利用正交试验法进行提取工艺优选,并以薄层扫描法测定龙胆苦苷的含量。
The extraction, separation, determination of Gentiopicrin which was the active component of Radix Gentianae in GanSu capsules was studied. the toxic action of PZA on liver is greater than that of other antitubercular drugs. 研究了肝舒胶囊中主药龙胆草的有效成分龙胆苦苷的提取、分离、测定。
Objective To establish the TLC identification method for iridoid glycosides ( gentiopicrin) and anthraquinone ( emodin, rhein) in Lidan mixture. 目的建立利胆合剂中环烯醚萜苷类(龙胆苦苷)和蒽醌类(大黄素、大黄酸)的薄层色谱鉴别方法(TLC法)。
The adsorption capacity, elutive ratio and purity of gentiopicrin in the product were used as indexes to select the best resin. 以龙胆苦苷的吸附量、解吸率和产物中龙胆苦苷的百分含量为考察指标,筛选树脂。
The technical procedure for purification of gentiopicrin with the optimum macroreticular resin was screened by content and transferring rate of gentiopicrin in product. A central composite design-response surface methodology was also employed to study the technological parameters of the purification process with HPD-300 type macroreticular resin. 以产物中龙胆苦苷的转移率和百分含量为指标,通过单因素考察结合星点设计-效应面法对最佳树脂HPD300的纯化工艺进行了优化。
The effect of temperature, pH, buffer species, buffer concentration, ionic strength and light on the stability of gentiopicrin solution were investigated and the most appropriate preservation conditions for TGG were determined. 4. 考察了温度、pH、缓冲盐种类、离子强度、光照等对龙胆苦苷水溶液稳定性的影响,以确定其最适保存条件。
Study on stability of TGG ( 1) Stability of gentiopicrin in biological fluids in vitro. 龙胆总苷中间体的稳定性研究(1)龙胆苦苷在体外生物样品中的稳定性研究。