MIL-101(Cr)@Fe3O4 nanocomposites as magnetic solid-phase extraction adsorbent for the determination of multiple mycotoxins in agricultural products by ultra-high-performance liquid chromatography tandem mass spectrometry
文献类型： 外文期刊
作者： Guo, Dakai 1 ; Huang, Qingwen 1 ; Zhao, Rui 1 ; Guo, Wenbo 1 ; Fan, Kai 1 ; Han, Zheng 1 ; Zhao, Zhihui 1 ; Nie, Dongxia 1 ;
作者机构： 1.Shanghai Acad Agr Sci, Inst Agrofood Stand & Testing Technol, Lab Qual & Safety Risk Assessment Agroprod Shangha, Shanghai Key Lab Protected Hort Technol,Minist Agr, 1000 Jingqi Rd, Shanghai 201403, Peoples R China
2.Shanghai Ocean Univ, Coll Food Sci & Technol, Shanghai 201306, Peoples R China
关键词： Mycotoxins; Magnetic solid phase extraction; MIL-101(Cr)@Fe-3 O-4 nanocomposites; UHPLC-MS; MS; Agricultural products
期刊名称：FOOD CONTROL （ 影响因子：6.0； 五年影响因子：5.8 ）
ISSN： 0956-7135
年卷期： 2023 年 146 卷
页码：
收录情况： SCI
摘要： An efficient and fast magnetic solid phase extraction (MSPE) method was developed using MIL-101(Cr)@Fe3O4 nanocomposites as adsorbent for purification and enrichment of 9 mycotoxins in agricultural products. The successful synthesis of MIL-101(Cr)@Fe3O4 was confirmed via various characterization methods. Several key parameters affecting the performance of the MSPE procedure were extensively investigated including loading solution, elution solution and dosage of adsorbents. Under the optimal sample pretreatment conditions, the complex matrix effects from different agricultural products could be efficiently eliminated and the calibration curves constructed in neat solvent were directly used for the accurate quantification of these mycotoxins. Coupled with the analysis by ultra-high-performance liquid chromatography-tandem mass spectrometry, good linearity (R2 >= 0.991), high sensitivity (limit of quantification in the range of 0.08-0.20 mu g kg-1), satisfactory recovery (83.5-108.5%) and acceptable precision (RSD, 1.6-10.4%) were obtained. The applicability of the validated method was further verified in real maize, wheat, watermelon and melon samples.
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