Selective extraction and determination of chlorogenic acid in fruit juices using hydrophilic magnetic imprinted nanoparticles

Food Chemistry
Yi HaoZengjun Guo

Abstract

In this paper, the novel hydrophilic magnetic molecularly imprinted nanoparticles were developed for selective separation and determination of chlorogenic acid in aqueous fruit juices. The polymers were prepared by using amino-functionalized magnetic nanoparticles as carriers, branched polyethyleneimine as functional monomer, and chlorogenic acid as template molecule. Branched polyethyleneimine with abundant active amino groups could react with template sufficiently, and its unique dendritic structure may amplify the number of the imprinted cavities. Meanwhile, it would improve the hydrophilicity of imprinted materials for attaining high extraction efficiency. The resulted polymers exhibit fast kinetics, high adsorption capacity, and favorable selectivity. In addition, the obtained nanoparticles were used as solid-phase extraction sorbents for selective isolation and determination of chlorogenic acid in peach, apple, and grape juices (0.92, 4.21, and 0.75μgmL(-1), respectively).

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Citations

Feb 6, 2017·Chemical & Pharmaceutical Bulletin·Sayuko ShiraishiTakahiro Uchida
Dec 21, 2016·Luminescence : the Journal of Biological and Chemical Luminescence·Ruijuan ZhengJiangshui Luo
Mar 24, 2020·Luminescence : the Journal of Biological and Chemical Luminescence·Zhu HanXiaoli Hu
Apr 28, 2018·Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences·Guotong QinFangqing Yue
Sep 25, 2018·Chemical Reviews·Joseph J BelBruno

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