OBJECTIVE: To establish a HPLC method for determination of paeonol and imperatorin in Cangzhi nose spray. 目的:建立测定苍芷喷鼻液中丹皮酚、欧前胡素含量的高效液相色谱方法。
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。
Determination of Imperatorin in Qingwen Jiedu Tablets by RP-HPLC RP-HPLC法测定清瘟解毒片中欧前胡素的含量
Inhibitory effects of vascular endothelial growth factor expression on human umbilical vein endothelial cells by imperatorin 欧芹素乙对人脐静脉内皮细胞的保护作用及对血管内皮生长因子表达的影响
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。
Solvent Extraction Methods of Imperatorin in Radix Angelicae Dahurica 白芷中欧前胡素的提取方法研究
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。
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。
Inhibitory effects of imperatorin and pentoxifylline on monocyte adhesion and transmigration to brain microvascular endothelial cells induced by interleukin-1 beta 欧芹素乙和已酮可可碱对白细胞介素-1β诱导脑血管内皮细胞与单核细胞粘附和迁移的抑制作用
AIM To study inhibitory effect of imperatorin ( IMP) and pentoxifylline ( PTX) on monocyte adhesion and transmigration to bovine brain microvascular endothelial cell ( BCMEC) induced by interleukin-1 β( IL-1 β). 目的:研究白细胞介素-1β(IL-1β)对培养的牛脑微血管内皮细胞(BCMEC)与单核细胞(MNC)粘附、迁移的影响及药物的保护作用。
According to different parts, the contents of imperatorin and isoimperatorin are highest in the tail of the root of Angelica dahurica, secondly in the head, and lowest in the body; 按不同部位来说,根尾欧前胡素和异欧前胡素含量最高,其次是根头,根体最低;
The principal active constituent is made up of Magnolol, Honokiol, Osthole, imperatorin and glycyrrhizic acid. The prescription has the effective of warming the kidney to improve inspiration, relieving cough and asthma. 方中厚朴酚、和厚朴酚、蛇床子素、欧前胡素及甘草酸为主要有效成分。
The correlation analysis results showed that the concentration of N in aerial part had negative correlation with the contents of imperatorin in root. 地上部分含氮量与欧前胡素含量呈极显著负相关。
The root diameter grew rapidly, at the same time the accumulation rate of root dry weight, N, P, K and the content of imperatorin and isoimperatorin increased obviously. 2. 在根旺盛生长期,根粗增长明显,根干物质、氮磷钾、欧前胡素及异欧前胡素的积累速率加快。