Substituent effects of phenylboronic acid-functionalized resins in pH-controlled separation of catecholic flavonoids

[Display omitted] Gel resins modified with different phenylboronic acid derivatives were prepared for selective separation of catechol-containing flavonoids. The phenylboronic acid gel (PBA-gel) resins showed pH-dependent adsorption and release of catechol-containing flavonoid quercetin. Under optim...

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Bibliographic Details
Published in:Journal of industrial and engineering chemistry (Seoul, Korea) 2019, 77(0), , pp.164-170
Main Authors: Lee, Sang Min, Chung, Jinhyo, Gong, Mi Sic, Jun, Bong-Hyun, Kweon, Dae-Hyuk, Chung, Woo-Jae
Format: Article
Language:English
Subjects:
Flavonoid
pH-controlled separation
Phenylboronic acid
Quercetin
Solid-supported reagent
화학공학
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Summary:[Display omitted] Gel resins modified with different phenylboronic acid derivatives were prepared for selective separation of catechol-containing flavonoids. The phenylboronic acid gel (PBA-gel) resins showed pH-dependent adsorption and release of catechol-containing flavonoid quercetin. Under optimal pH control, the PBA-gel resins exhibited high quercetin binding capacity of up to 120 mg/g of resin and demonstrate quantitative release of the specifically bound quercetin. In addition, the recyclability of PBA-gel resin was confirmed by repeated binding and hydrolysis of quercetin with no significant loss of capacity during at least five cycles, showing great potential of PBA-gels as practical tools for selective separation of catechol-containing flavonoids.
ISSN:1226-086X
1876-794X
DOI:10.1016/j.jiec.2019.04.031