Facile Preparation and Extensive Characterization of Naproxen–β-Cyclodextrin Inclusion Complex

被引:2
|
作者
Jin G. [1 ]
Chen H. [2 ]
机构
[1] Guangdong Institute for Drug Control, Guangzhou
[2] Department of Chemistry, Fudan University, Shanghai
基金
中国国家自然科学基金;
关键词
Complex; DSC; Inclusion rate; Naproxen; XRD; β-Cyclodextrin;
D O I
10.1007/s41664-017-0021-9
中图分类号
学科分类号
摘要
Naproxen–β-cyclodextrin inclusion complex was prepared by the freeze-drying method and analyzed by IR, UV spectroscopy, X-ray diffractometry and differential scanning calorimetry. Phase solubility, dissolution and inclusion rate of the complex were determined. The phase solubility diagram was of the AL type, which revealed that the molar ratio of naproxen to β-cyclodextrin was 1:1. The solubility of naproxen significantly increased with increasing β-cyclodextrin concentration. The apparent stability constant, Kc, was calculated from the slope and intercept of the AL solubility diagram as 2376/M. The total released amount and released time of naproxen from the inclusion complex were better than that of the intact naproxen. © 2017, The Nonferrous Metals Society of China and Springer Nature Singapore Pte Ltd.
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