theobromine相关论文
The aim of this work is to characterize the geographical origin of cocoa beans and coffee beans. This study aims to cont......
Camellia ptilophylla Chang is a wild tea tree containing theobromine and is caffeine-flee. Lots of researches have been ......
The aim of this work is to characterize the geographical origin of cocoa beans and coffee beans. This study aims to cont......
研究了可可碱与氯冉酸的荷移反应,确定了荷移反应的最佳条件.在乙醇介质中, 可可碱与氯冉酸在室温下可生成1∶1的π-π型荷移络合......
采用高效液相色谱法测定可可粉和可可壳酊中的可可碱及咖啡因含量,固定相为Hypersil ODS,流动相为甲醇-醋酸-水(20:1:79),紫外检测波长275nm。样品中可可碱和咖啡......
用CPA矩阵分光光度法,以BASIC语言编制程序,不经分离直接测定复方茶碱片中茶碱、咖啡因、非那西丁、可可碱和氨基比林等5种组分含......
野生茶树可可茶(Camellia ptilophylla Chang)由于其芽叶中的嘌呤生物碱主要为可可碱,因而不同于传统茶叶.通过化学筛选,在纯种无......
建立高效液相色谱法测定复方茶碱麻黄碱片中可可碱、茶碱、盐酸麻黄碱及咖啡因的含量测定方法。采用Kromasil C18色谱柱;流动相:0.05m......
This review shortly summarized bio-medical activities of purine alkaloids, caffeine (caf), theophyline (top) and theobro......
Controllable Transdermal Drug Delivery of Theobroma cacao Extract Based Polymeric Hydrogel against D
Human dermal layers are directly bared to the external environmental adversities like pollution, radiation, dust along w......
Controllable Transdermal Drug Delivery of Theobroma cacao Extract Based Polymeric Hydrogel against D
Human dermal layers are directly bared to the external environmental adversities like pollution, radiation, dust along w......
利用分光光度法测定柯柯豆碱的含量,在272.5nm滤长处有最大吸收峰,浓度在2.2 ̄15.3μg/ml(r=0.9993)呈良好线性关系,E^1%1cm=54.7.1,RSD=0.98%(n=32)。重现性、精密度、稳定性良好。......
以滤纸为基质,详细讨论了3种黄嘌呤甲基衍生物可可碱、咖啡因、茶碱的固体基质室温磷光光谱特性。研究表明:它们的滤纸基质室温磷光(......
采用荧光光谱法研究了可可碱这种生物碱药物与牛血清白蛋白(BSA)分子间的相互结合反应。测定了可可碱与BSA反应的结合平衡常数K和结......
目的:应用电喷雾质谱法对嘌呤生物碱咖啡因、可可碱和茶碱进行了质谱研究。方法:改变CONE电压。结果:CONE电压较低时,3个生物碱不发生裂解,其各自......