Multi-mycotoxins analysis in liquid milk by UHPLC-Q-Exactive HRMS after magnetic solid-phase extraction based on PEGylated multi-walled carbon nanotubes.

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ID: 59142
2019
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Abstract
A simple and rapid magnetic solid-phase extraction (MSPE) method using PEGylated multi-walled carbon nanotubes magnetic nanoparticles (PEG-MWCNTs-MNP) as absorbents is proposed for isolation and enrichment of aflatoxin B (AFB), aflatoxin B (AFB), aflatoxin G (AFG), aflatoxin G (AFG), aflatoxin M (AFM), aflatoxin M (AFM), ochratoxin A (OTA), zearalenone (ZEA), zearalanone (ZAN), α-zeralanol (α-ZAL), β-zeralanol (β-ZAL), α-zeralenol (α-ZOL), and β-zeralenol (β-ZOL) from liquid milk. Combined with ultra-high performance liquid chromatography Q-Exactive high resolution mass spectrometry, simultaneous qualification of these mycotoxins was achieved with sensitivity and specificity. The proposed method showed a good linearity (R ≥ 0.995), high sensitivity (limit of detection in the range of 0.005-0.050 μg/kg and limit of quantification in the range of 0.015-0.150 μg/kg), adequate recovery (81.8-106.4%), and good repeatability (intra-day precision in the range of 2.1-8.5% and inter-day precision in the range of 3.9-11.7%). It has been successfully applied to the determination of 13 mycotoxins in real liquid milk samples.
Reference Key
zhao2019multimycotoxinsfood Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Zhao, Yan;Yuan, Yun-Cong;Bai, Xiao-Lin;Liu, Yi-Ming;Wu, Gui-Fang;Yang, Fa-Shu;Liao, Xun;
Journal Food chemistry
Year 2019
DOI
S0308-8146(19)31544-4
URL
Keywords
mycotoxins magnetic solid phase extraction liquid milk pegylated of multi-walled carbon nanotubes ultra-high performance liquid chromatography q-exactive high resolution mass spectrometry

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