银杏总内酯在大孔树脂上吸附特性及热力学研究  

Adsotption Properties and Thermodynamics of Total Lactones of Ginkgo on Macroporous Resins

作　　者：巩丽丽[1] 周严严[1] 孙国明[1] 容蓉[1] 田景振[1] 

机构地区：[1]山东中医药大学药学院,山东济南250355

出　　处：《辽宁中医药大学学报》2014年第12期39-41,共3页Journal of Liaoning University of Traditional Chinese Medicine

基　　金：科技部"重大新药创制"科技重大专项项目(2011ZX092022-312)

摘　　要：利用静态吸附和解吸筛选出的最佳树脂对银杏总内酯的吸附行为进行了研究,研究结果表明在298~318 K和研究的浓度范围内,HPD-100对银杏总内酯吸附平衡数据符合Freundlich吸附等温方程,吸附过程符合一级动力学吸附方程。Freundlich吸附等温线和等量吸附焓表明：HPD-100对银杏总内酯吸附是放热过程。对银杏总内酯在HPD-100上的自由能、吸附熵进行测试,结果表明吸附过程能自发进行。The present work studied the sorption behavior of total lactones of ginkgo for screening the optimum adsorption resin. The results showed that equilibrium data for the adsorption of total lactones of ginkgo onto HPD-100 adsorbents could be fitted by Freundlich model within the temperature range of 298-318 K. The adsorption kinetic data could be characterized by pseudo-first order model reasonably. Freundlich adsorption isotherms and isosteric enthalpy of adsorption indicated that the adsorption process of total lactones of ginkgo onto HPD-100 was exothermie. The isosteric enthalpy of free energy and entropy of adsorption were reported and the results showed that the adsorption process is spontaneous in nature.

关 键 词：银杏总内酯 大孔吸附树脂 吸附热力学 吸附动力学 

分 类 号：R284[医药卫生—中药学]