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A novel solid phase for selective separation of flavonoid compounds

✍ Scribed by Yong-qing Xia; Tian-ying Guo; Hai-li Zhao; Mou-dao Song; Bang-hua Zhang; Bao-long Zhang

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
879 KB
Volume
30
Category
Article
ISSN
1615-9306

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✦ Synopsis

Abstract

A novel straightforward approach to selective separation for flavonoid compounds was reported. The solid phase material was prepared by copolymerization using allyl‐bromide‐modified chitosan as macromonomer, and ethylene glycol dimethacrylate as cross‐linker. The material was evaluated by chromatographic analysis; it exhibited high selectivity separation for quercetin and its structural analogues using different mobile phases. The material could directly trap a specific class of compounds including quercetin and kaempferol from the hydrolyzate of Ginkgo biloba extract. These results demonstrated the possibility of direct extraction of certain constituents from herb using this material.

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## Abstract __Dalbergia odorifera__ contains high concentrations of flavonoid aglycones and trace flavonoid glycosides. In this study, trace flavonoid glycosides were separated from __D. odorifera__ by titania with matrix solid‐phase dispersion (MSPD). Before the MSPD experiment, four standards, in