Adsorption Mechanisms of Quercetin, Catechin and Epicatechin on Quercetin Molecular Imprinted Polymer using Linear Solvation Energy Relationship

Y. Jin1, Y.D. Cheng1, Y.S. Song1, K.H. Row2, Y.S. Jin3, Y.H. Xuan4 and M.J. Jin5,*

1College of Food Science and Technology, Shanghai Ocean University, Shanghai 201-306, P.R. China

2Department of Chemical Engineering, Inha University, Incheon 402-751, Republic of Korea

3College of Bioscience and Biotechnology, Yangzhou University, Yangzhou 225-009, P.R. China

4Yangzhou University Library, Yangzhou University, Yangzhou 225-009, P.R. China

5Department of Forestry Science, Agricultural College of Yanbian University, Yanji 133-002, Jilin Province, P.R. China

*Corresponding author: Fax: +86 433 2435600, Tel: +86 433 2435556; E-mail:;


The fundamental chemical interactions governing the adsorption of three polyphenols such as quercetin, catechin and epicatechin on quercetin-molecular imprinted polymer using linear solvation energy relationship model were investigated. The quercetin-molecular imprinted polymer was prepared with quercetin as the template and methacrylic acid as the functional monomer. Acetonitrile and methanol were used as the porogen with ethylene glycol dimethacrylate (EGDMA) as the crosslinker and 2,2'-azobis (isobutyronitrile) (AIBN) as the initiator. The static method was performed on the manufactured quercetin-molecular imprinted polymer particles. The ability of the linear solvation energy relationship to account for the chemical interactions underlying solute adsorption was shown. A comparison of predicted and experimental adsorption concentrations suggests that linear solvation energy relationship formalism is able to reproduce adequately the experimental adsorption concentrations of the solutes studied in the different experimental conditions investigated. The constants of linear solvation energy relationship model were also predicted using Logarithmic and Polynomial equations. The Polynomial equation shows more good agreement than Logarithmic equation for predict the constants of linear solvation energy relationship model in solution of single compound or mixture compounds of quercetin, catechin and epicatechin. However, the predicted adsorption concentrations by the linear solvation energy relationship model have good agreement with experimental data in the employed experimental conditions.


Adsorption, Quercetin, Catechin, Epicatechin, Molecular imprinted polymer, Linear solvation energy relationship.

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