Acid-base-governed deep eutectic solvent-based microextraction combined with magnetic solid-phase extraction for determination of phenolic compounds
文献类型： 外文期刊
作者： Yang, Dezhi 1 ; Wang, Yingdong 3 ; Li, Hong 4 ; Yang, Yaling 1 ;
作者机构： 1.Kunming Univ Sci & Technol, Fac Life Sci & Technol, Kunming 650500, Yunnan, Peoples R China
2.Kunming Univ Sci & Technol, Fac Environm Sci & Engn, Kunming 650500, Yunnan, Peoples R China
3.Shenyang Med Coll, Coll Basic Med Sci, Shenyang 110000, Liaoning, Peoples R China
4.Yunnan Acad Agr Sci, Res Inst Prod Proc, Kunming 650033, Yunnan, Peoples R China
关键词： Acid-base induction; Menthol; Fatty acids; Green solvents; Magnetic nanoparticles; Mg(II)-Al(III) layered double hydroxide
期刊名称：MICROCHIMICA ACTA （ 影响因子：5.833； 五年影响因子：5.357 ）
ISSN： 0026-3672
年卷期： 2020 年 187 卷 2 期
页码：
收录情况： SCI
摘要： A sensitive method based on the use of green deep eutectic solvents (DESs) was designed for the determination of bisphenol-A, bisphenol-AF, tetrabromobisphenol-A and 4-tert.-octylphenol followed by HPLC. This method takes advantage of magnetic solid-phase extraction purification and acid-base induced DES liquid-liquid microextraction. The Mg(II)-Al(III) layered double hydroxide-coated magnetic nanoparticles were selected to purify samples. The DESs were systematically prepared by a range of medium-chain saturated fatty acids (C-8-C-12) and D,L-menthol. The melting point and the extraction efficiency of phenolic compounds were adjusted by changing the carbon chain length of fatty acid in suitable proportions. Acid-base induction significantly improves the extraction efficiency. The method has lower limits of detection ranging from 6 to 11 ng L-1, good linearity (0.05-500 mu g L-1) and high enrichment factors (86-91). The method was successfully applied for the determination of four phenolic compounds in beverage samples. The recoveries ranged from 84.4 to 101.3%.
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