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Reference type: Journal
Authors: Zhang HH, Xu FF, Duan YQ, Luo XP, Zhang C, Yan YS, Sun GB, Sun XB
Article Title: Selective Adsorption and Separation of (-)-Epigallocatechin Gallate (EGCG) based on Silica Gel Surface Molecularly Imprinted Polymers.
Publication date: 2013
Journal: IERI Procedia
Volume: 5
Page numbers: 339-343.
DOI: 10.1016/j.ieri.2013.11.113
Alternative URL: http://www.sciencedirect.com/science/article/pii/S2212667813001160

Abstract: To separate and enrich EGCG from a mixture of tea catechins, the molecular imprinted polymers (MIPs) were synthesized on silica gel by surface molecular imprinting technique and characterized with Fourier transform infrared spectroscopy (FT-IR), elemental analysis and scanning electronic microscopy (SEM). MIPs exhibited favorable recognition, better selectivity for EGCG than the other monomers, and the descending order was EGCG, (+)-catechin (C), (-)-epicatechin (EC), (-)-epigallocatechin (EGC), (-)-catechin gallate (CG) and (-)-gallocatechin gallate (GCG). These results demonstrated that MIPs could realize the separation and enrichment of EGCG in real sample
Template and target information: EGCG, epigallocatechin gallate
Author keywords: EGCG, molecular imprinting, Solid-phase extraction, Separation and enrichment, selectivity


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