GAO Fang, WANG Dong-ming, DING Wei-ze, ZHENG Yuan-jie. Study on Controlled Release of Phloridzin Based on Host-guest Interaction[J]. Polymer Bulletin, 2023,36(5):617-622.
GAO Fang, WANG Dong-ming, DING Wei-ze, ZHENG Yuan-jie. Study on Controlled Release of Phloridzin Based on Host-guest Interaction[J]. Polymer Bulletin, 2023,36(5):617-622. DOI: 10.14028/j.cnki.1003-3726.2023.05.007.
Phloridzin has a wide range of application prospects in the development of new drugs and natural health foods. Due to the complexity and low solubility of its ingredients
the research on phloridzin is extremely challenging. The molecular recognition ability of hydroxypropyl-
β
-cyclodextrin to phloridzin guest was studied by nuclear magnetic resonance
ultraviolet-visible spectroscopy
fluorescence emission spectroscopy and other detection methods. The results show that hydroxypropyl-
β
-cyclodextrin enhances the solubility of phloridzin in water
forming a molar ratio of 1∶1 host-guest complex in water with a complexation constant of 2.35×10
2
L·mol
-1
. The addition of hydroxypropyl-
β
-cyclodextrin caused fluorescence quenching of phloridzin
and the competition between metal ions and phloridzin for binding to hydroxypropyl-
β
-cyclodextrin will cause the fluorescence enhancement of the inclusion complex. The bonding constant between Fe
3+
and hydroxypropyl-
β
-cyclodextrin reaches 1.52×10
4
L·mol
-1
. It can provide theoretical research for the drug research of phloridzin.