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- The content of imperatorin,isoimperatorin and oxypeucedanin hydrate in different samples was carried out by HPLC. HPLC法测定水合氧化前胡素、欧前胡素、异欧前胡素的含量。结果:果实中香豆素的含量最高,茎中最低;
- Conclusion: Freezing drying makes the losses of imperatorin and isoimperatorin lowest and excels others. 结论：冷冻干燥法白芷醇提物欧前胡素和异欧前胡素的损失最小，优于其他方法。
- Objective:To compare the methods of determination of imperatorin in Radix Angelicae Dahuricae. 目的:比较川白芷中欧前胡素的含量测定方法。
- In conclusion, imperatorin and isoimperatorin were found to have vasorelaxing effects for the first time. 本课题创新点在于首次通过细胞膜色谱模型发现欧前胡素和异欧前胡素对大鼠腹主动脉细胞膜有亲和作用，并且通过现代药理学实验发现两者具有舒张离体大鼠腹主动脉环的新活性。
- After harvest, the content of imperatorin,polysaccharide and extractives in Radix Glehniae of each fertilizer group were determined. 方法:在同一栽培基地,分别追施氮、磷、钾肥,复合肥、生物肥,药材采收后分别检测欧前胡素、多糖以及浸出物成分。
- The results indicated that the metabolism of imperatorin was two compartment model, phellopterin and isoimperatorin were one compartment model. 结果表明，欧前胡素在大鼠体内代谢为二室模型，异欧前胡素和珊瑚菜素在大鼠体内代谢为一室模型；
- Methods:Polysaccharide, imperatorin and extractives in different varieties were detected according to document and Chinese Pharmacopeia. 方法:接文献方法和药典规定检测北沙参不同栽培品种的多糖、欧前胡素、浸出物等成分含量。
- OBJECTIVE To optimize the microwave-assisted extraction process for coumarins in Angelica dahurica as guided by the contents of imperatorin. 目的以欧前胡素含量为试验指标,优化微波萃取白芷有效成分的提取工艺。
- The two effective sites were identified by thin layer chromatography (TLC) with Imperatorin and Rhizoma chuanxiong contrast drug as mark. 分别以欧前胡素对照品和川芎对照药材为检验指标，采用薄层色谱法作为白芷和川芎有效部位的鉴别方法；
- RESULTS:Imperatorin and other main coumarin compounds of Radix Angelicae dahuricae Dispensing Granules in the market could not be determined because of low content. 结果:市售产品中欧前胡素等几个主要的香豆素类成分由于含量太低而未检测出。
- METHODS: The extracting technology for Miniaoning granule was optimized by orthogonal design with the contents of Berberine, Quercetin,Deoxyschizandrin and Imperatorin as indexes. 方法:采用正交试验法,以小檗碱、槲皮素、五味子甲素、欧前胡素含量为指标,优选提取工艺。
- Objective: To investigate the influences of different drying methods on the contents of imperatorin and isoimperatorin in alcohol extracts of Angelica dahurica. 摘要目的：考察常压干燥、减压干燥、冷冻干燥、微波干燥4种方法对白芷醇提物中欧前胡素和异欧前胡素含量的影响。
- Determining Imperatorin in Yishen Capsule Using HPLC HPLC法测定怡神胶囊中欧前胡素的含量
- Keywords Angelica dahurica;yield;imperatorin;isoimperatorin; 白芷;产量;欧前胡素;异欧前胡素;
- Keywords Angelica dahurica;Imperatorin;Isoimperatorin;Assay;HPLC; 白芷;欧前胡素;异欧前胡素;含量测定;HPLC;
- Keywords Qingxuan pills;imperatorin;quality control; 清眩丸;欧前胡素;质量标准;
- Determination of imperatorin in YUANHU anodyne capsule by liquid chromatography 元胡止痛胶囊中欧前胡素的液相色谱法测定
- Keywords Percolation extract method;Coumarins in Angelica dahurica;Imperatorin; 渗漉法;白芷香豆素;欧前胡素;
- Keywords Xinlanzhi spra;orthogonal design;preparation technology;Imperatorin; 辛兰芷喷雾剂;正交试验;制备工艺;欧前胡素;
- Keywords Radix Angelica dahurica;extraction;HPLC;imperatorin;pharmacokinetics; 白芷;提取分离;高效液相色谱;欧前胡素;药物动力学;
