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Reference type: Journal
Authors: Chen S, Luo ZM, Ma XL, Xue LQ, Lan HX, Zhang WB
Article Title: Efficient Separation and Purification of Epigallocatechin Gallate (EGCG) Based on EGCG-Imprinted Polymer Prepared with Chitosan as Matrix.
Publication date: 2012
Journal: Analytical Letters
Volume: 45
Issue: (16)
Page numbers: 2300-2309.
DOI: 10.1080/00032719.2012.686132

Abstract: A molecularly imprinted polymer (MIP), which was suitable for recognizing epigallocatechin gallate (EGCG), was prepared by using EGCG as template molecule and biocompatible chitosan as a functional matrix in aqueous medium. Molecular recognition ability of the EGCG-imprinted polymer (EIP) was evaluated by high performance liquid chromatography (HPLC). The results show that the EIP has a high imprinting factor (1.32) for EGCG and was used to purify EGCG from crude tea polyphenol efficiently. The percentage of EGCG can be improved from 78.6% in crude tea polyphenol (TP) to 90.1% in product and the adsorption quantity per unit can reach 4.02 mg g-1. EIP shows potential excellent prospect in the application of separating and purifying EGCG from TP
Template and target information: epigallocatechin gallate, EGCG

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