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Investigation of heptakis(2,6-di-O-methyl)-β-cyclodextrin inclusion complexes with flavonoid glycosides by electrospray ionization mass spectrometry by Zhan Yu; Meng Cui; Cunyu Yan; Fengrui Song; Zhiqiang Liu; Shuying Liu is a Chemistry article available to read on EtoBox.

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## Abstract The non‐covalent complexes between three flavonoid glycosides (quercitrin, hyperoside and rutin) and heptakis(2,6‐di‐__O__‐methyl)‐__β__‐cyclodextrin (DM‐__β__‐CD) were investigated by electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry (ESI‐FTICR‐MS). The 1:1 complexation of each flavonoid glycoside (guest) to the DM‐__β__‐CD (host) was monitored in the negative ion mode by mixing each guest with an up to 30‐fold molar excess of the host. The binding constants for all complexes were calculated by a linear equation in the order: DM‐__β__‐CD:quercitrin > DM‐__β__‐CD:rutin > DM‐__β__‐CD:hyperoside. A binding model for the complexes has also been proposed based on the binding constants and tandem mass spectrometric data of these complexes. Copyright © 2007 John Wiley & Sons, Ltd.

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Author

Zhan Yu; Meng Cui; Cunyu Yan; Fengrui Song; Zhiqiang Liu; Shuying Liu

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0951-4198)

Published

2007

Language

EN

Field

Chemistry (Physical Sciences)