Preparation of the β-cyclodextrin-vitamin C (β-CD-Vc) inclusion complex under high hydrostatic pressure (HHP)
作者:Xiuting Hu、Benxi Wei、Hongyan Li、Chunsen Wu、Yuxiang Bai、Xueming Xu、Zhengyu Jin、Yaoqi Tian
DOI:10.1016/j.carbpol.2012.06.029
日期:2012.10
In this study, a novel high hydrostatic pressure (HHP) technique was used to prepare the beta-cyclodextrin-vitamin C (beta-CD-Vc) inclusion complex. The inclusion ratio was positively correlated with the pressure under 300 MPa and remained at above 50.0% when the pressure was more than 300 MPa. Fourier-transform infrared spectroscopy (FI-IR) and UV-visible spectroscopy (UV-vis) analysis showed that characteristic absorption bands and the absorption peak of Vc disappeared in the spectra of the beta-CD-Vc inclusion complex. Furthermore, differential scanning calorimetry (DSC) data revealed that only one endothermic peak appeared at about 138 degrees C in the DSC curve of the beta-CD-Vc inclusion complex. These results indicate that the HHP treatment effectively induces the formation of beta-CD-Vc inclusion complex. (C) 2012 Elsevier Ltd. All rights reserved.