薄荷酮/羟丙基-β-环糊精包合物的制备及其热缓释性能分析
刘茜 , 师豪鹏 , 黄启华 , 陆漓 , 刘远涛 , 黄忠辉 , 张晓平 , 邹琳 , 付博
现代化工 ›› 2025, Vol. 45 ›› Issue (S2) : 324 -330.
薄荷酮/羟丙基-β-环糊精包合物的制备及其热缓释性能分析
Preparation of menthone/hydroxypropyl-β-cyclodextrin inclusion complex and analysis on its thermal sustained-release properties
以薄荷酮为芯材,β-环糊精(β-CD)和羟丙基-β-环糊精(HP-β-CD)为壁材,采用共沉淀法、冷冻干燥法制备薄荷酮/β-CD和薄荷酮/HP-β-CD包合物。结合粉末X射线衍射、扫描电镜、傅里叶红外光谱对包合物结构、形貌以及组成进行表征,通过热重分析仪对包合物的热稳定性进行分析;采用紫外分光光度法测定包合物的包埋率以及常温和高温下的缓释性能。结果发现,薄荷酮/HP-β-CD包埋率为47.81%,高于薄荷酮/β-CD的22.21%;两种包合物的热解温度均高于300℃,远高于薄荷酮的114℃;包合物的热稳定性能好,薄荷酮/HP-β-CD在25~120℃条件下释放一段时间后,薄荷酮累计释放量仅为4.24%~45.47%,具有良好的缓释性能,优于薄荷酮/β-CD。
Using menthone as the core material,β-cyclodextrin (β-CD) and hydroxypropyl-β-cyclodextrin (HP-β-CD) as the wall materials,menthone/β-CD and menthone/HP-β-CD inclusion complexes are prepared through co-precipitation method and freeze-drying method.The structure,morphology and composition of the inclusion complexes are characterized by means of powder X-ray diffraction,scanning electron microscopy and Fourier transform infrared spectroscopy.Thermal stability of the inclusion complexes is analyzed by using thermogravimetric analyzer.The embedding rate of the inclusion complexes and their sustained-release properties at room temperature and high temperature are determined by using ultraviolet spectrophotometry.The results show that the embedding rate of menthone/HP-β-CD is 47.81%,higher than the 22.21% of menthone/β-CD.Thermal decomposition temperature of both inclusion complexes is higher than 300℃,which is much higher than the 114℃ of menthone.The inclusion complexes have good thermal stability.After being released at 25-120℃ for a certain time,the cumulative release amount of menthone from menthone/HP-β-CD is only 4.24%-45.47%,showing good sustained-release performance,which is better than that of menthone/β-CD.
β-环糊精 / 缓释 / 包合物 / 薄荷酮 / 羟丙基-β-环糊精
β-cyclodextrin / sustained-release / inclusion complex / menthone / hydroxypropyl-β-cyclodextrin
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广西中烟工业有限责任公司科技项目(GXZYCX2024C011)
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