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Abstract: Molecularly imprinted polymers (MIPs) for quercetin have been successfully prepared by a thermal polymerization method using 4-vinylpyridine (4-VP) and ethylene glycol dimethacrylate (EDMA) as functional monomer and cross-linker, respectively. The obtained molecularly imprinted polymers were evaluated by HPLC using organic eluents, with respect to their selective recognition properties for quercetin and related compounds of the flavonoid class. Two equivalent control polymers, a blank polymer and a polymer imprinted with a structural analogous template, were synthesized, in order to confirm the obtained results. Furthermore, preliminary experiments confirm the applicability of the prepared MIPs for solid phase extraction (SPE), as rapid and facile clean-up of wine samples for HPLC analysis is an envisaged field of application. The successful preparation of molecularly imprinted polymers for flavones provides an innovative opportunity for the development of advanced separation materials, with applications in the field of wine and fermentation analysis
Template and target information: quercetin, flavonoids
Author keywords: flavonoids, quercetin, molecular imprinting, HPLC separation, solid phase extraction, SPE, wine analysis