Dummy molecularly imprinted solid-phase extraction for selective determination of five phthalate esters in plastic bottled functional beverages

Journal of Agricultural and Food Chemistry
Hongyuan YanGengliang Yang

Abstract

In this paper, a highly selective sample cleanup procedure combing dummy molecular imprinting and solid-phase extraction (DMI-SPE) was developed for the simultaneous isolation and determination of five phthalate esters in plastic bottled beverages. The new imprinted microspheres were synthesized via precipitation polymerization using diisononyl phthalate as a dummy template that showed high selectivity and affinity to the five kinds of phthalate esters and were successfully applied as selective sorbents of DMI-SPE for the simultaneous determination of the phthalate esters from plastic bottled beverages. Good linearity was obtained in a range of 5.0-750.0 μg/L, and the average recoveries of the five phthalate esters at three spiked levels ranged from 84.3 to 96.2% with the relative standard deviations less than 5.49%. The developed extraction protocol eliminated the effect of template leakage on quantitative analysis and could be applied for the determination of phthalate esters in complicated functional beverages products.

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Citations

May 23, 2013·Journal of Chromatographic Science·Xueju LvQiong Jia
Apr 2, 2015·Critical Reviews in Analytical Chemistry·Munawar Saeed QureshiZafer Üstündag
Mar 5, 2016·Chemical Society Reviews·Lingxin ChenJinhua Li
May 13, 2014·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Prabhjot KaurSushil Kumar Kansal
Jul 25, 2020·Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment·Alá S AlnaimatPilar Bermejo-Barrera
Jul 16, 2014·Journal of Agricultural and Food Chemistry·Fangjian NingHua Xiong

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