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- aesculetin dimethylether 马栗树皮素二甲醚
- The binding constants K for aesculin and aesculetin was calculated. 由反应焓变、熵变确定它们间的结合主要是静电引力。
- MethodsThe contents of fatty oil,extract,aesculetin and esculin in six samples of Semen Euporbiae were determined. 方法以脂肪油、浸出物、秦皮乙素和七叶树苷为指标,对市售的6个样品进行含量测定。
- The reactions of aesculin and aesculetin(two effective components in Chinese medicine) with serum albumin(BSA and HSA ) were investigated by means of fluorescence. 用荧光光谱法研究了中药有效成分秦皮甲素、秦皮乙素与牛血清白蛋白(BSA)、人血清白蛋白(HSA)的相互作用。
- Methods: The two different finished products of semen euphorbiae were determined by TLC scanning and HPLC, aesculetin and esculin as control sample. 方法:以秦皮乙素、七叶树苷为对照品,采用薄层扫描法和高效液相法对传统制霜和新法制霜制得的成品进行含量测定。
- After being processed by different methods the aesculetin contents of semen Euphorbiae all decreased somewhat besides cold cream. 千金子经不同炮制方法加工炮制后 ,除冷霜外 ,秦皮乙素的含量均有所下降。
- Results Four compounds were isolated and identified as aesculetin (1), p-hydroxybenzoic acid (2), quercetin (3) and hyperoside (4). 结果分离并鉴定了4个化合物,分别为七叶内酯,对羟基苯甲酸,槲皮素,金丝桃苷。
- Methods: The crude and 5 kinds of different processed products of semen Euphorbiae were determined by TLC scanning and aesculetin as control sample. 方法:以秦皮乙素为对照品,应用薄层扫描法对千金子生品及5种不同炮制加工品进行了含量测定。
- Results:After being processed by two different methods the fatty oil , aesculetin and esculin contents of semen euphorbiae had not significance difference (P>0.05). 结果:新法与传统法制霜的成品在脂肪油、秦皮乙素、七叶树苷的含量上均无显著性差异(P>0.;05)。
- ResultsThe contents of six samples in fatty oil and petroleum ether extracts had no difference,but they had significant difference in water extracts,ethanol extracts,aesculetin and esculin. 结果各地千金子样品脂肪油组分、醚溶性成分差别不大,水溶性成分、醇溶性成分、秦皮乙素和七叶树苷差异较大。
- The Analysis of Chrysin Dimethylether in Bee Propolis Poultice 蜂胶膏中柯因的分离、鉴定与测定
- Keywords loaded heteropoly acid;methanol;dimethylether; 负载杂多酸;甲醇;二甲醚;
- Keywords dimethylether;methanol;dehydration reaction; 二甲醚;甲醇;脱水反应;
- Keywords dimethylether;methanol;heat exchange;heat match; 二甲醚;甲醇;热交换;热匹配;
- Keywords lignocellulose;gasification;syngas;dimethylether; 木质纤维素;气化;合成气;二甲醚;
- Keywords loaded heteropoly acid;methanol dehydration;dimethylether; 负载杂多酸;甲醇脱水;二甲醚;
- The Reactions of Aesculin and Aesculetin with Serum Albumin 秦皮甲素、秦皮乙素与血清白蛋白的相互作用
- Keywords capillary eletrophoresis;aesculin;aesculetin; 毛细管电泳;秦皮甲素;秦皮乙素;
- Keywords HPLC;Cortex Fraxini;provenance;aesculin;aesculetin; 关键词HPLC法;秦皮;地理种源;秦皮甲素;秦皮乙素;
- Study on Separating Aesculin and Aesculetin by Capillary Eletrophoresis 秦皮甲素与秦皮乙素毛细管电泳分离研究