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Screening of 258 Pesticide Residues in Silage Using Modified QuEChERS with Liquid- and Gas Chromatography-Quadrupole/Orbitrap Mass Spectrometry

Author

Listed:
  • Yujie Xie

    (Key Laboratory of Food Quality and Safety for State Market Regulation, Chinese Academy of Inspection & Quarantine, No. 11, Ronghua South Road, Beijing 100176, China)

  • Xingqiang Wu

    (Key Laboratory of Food Quality and Safety for State Market Regulation, Chinese Academy of Inspection & Quarantine, No. 11, Ronghua South Road, Beijing 100176, China)

  • Yanling Song

    (Laboratory of Heilongjiang Feihe Dairy Co., Ltd., Qiqihar 164800, China)

  • Yini Sun

    (Laboratory of Heilongjiang Feihe Dairy Co., Ltd., Qiqihar 164800, China)

  • Kaixuan Tong

    (Key Laboratory of Food Quality and Safety for State Market Regulation, Chinese Academy of Inspection & Quarantine, No. 11, Ronghua South Road, Beijing 100176, China)

  • Xiaoxuan Yu

    (Key Laboratory of Food Quality and Safety for State Market Regulation, Chinese Academy of Inspection & Quarantine, No. 11, Ronghua South Road, Beijing 100176, China)

  • Chunlin Fan

    (Key Laboratory of Food Quality and Safety for State Market Regulation, Chinese Academy of Inspection & Quarantine, No. 11, Ronghua South Road, Beijing 100176, China)

  • Hui Chen

    (Key Laboratory of Food Quality and Safety for State Market Regulation, Chinese Academy of Inspection & Quarantine, No. 11, Ronghua South Road, Beijing 100176, China)

Abstract

A method for the simultaneous screening of 258 pesticide residues in silage using modified QuEChERS combined with liquid chromatography (LC)- and gas chromatography (GC)- quadrupole-Orbitrap mass spectrometry (Q-Orbitrap/MS) has been developed. After hydration, the silage was homogenized with a 1% acetic acid–acetonitrile solution, and the extract was purified using C 18 , PSA, and anhydrous magnesium sulfate. Finally, the sample was detected using LC/GC-Q-Orbitrap/MS, and quantified using an external standard method. The results showed that 258 pesticides had an excellent linear relationship in the range of 0.1–50 μg L −1 , and that the coefficients of determination (R 2 ) were more than 0.99. The screening detection limit (SDL) of silage was in the range of 0.5–50 μg kg −1 , and the limit of quantitation (LOQ) was in the range of 1–50 μg kg −1 . The accuracy and precision of the method were verified at the spiked levels of 1-, 2- and 10-times LOQ, and the recovery of 258 pesticides was in the range of 66.5–119.8%, with relative standard deviations (RSDs) of less than 20% ( n = 6). This method was simple, rapid, and reliable, and could be applied to screen and quantify multi-pesticide residues in silage.

Suggested Citation

  • Yujie Xie & Xingqiang Wu & Yanling Song & Yini Sun & Kaixuan Tong & Xiaoxuan Yu & Chunlin Fan & Hui Chen, 2022. "Screening of 258 Pesticide Residues in Silage Using Modified QuEChERS with Liquid- and Gas Chromatography-Quadrupole/Orbitrap Mass Spectrometry," Agriculture, MDPI, vol. 12(8), pages 1-21, August.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:8:p:1231-:d:888965
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    References listed on IDEAS

    as
    1. Grażyna Kowalska & Urszula Pankiewicz & Radosław Kowalski, 2020. "Estimation of Pesticide Residues in Selected Products of Plant Origin from Poland with the Use of the HPLC-MS/MS Technique," Agriculture, MDPI, vol. 10(6), pages 1-20, June.
    2. Zhaohong Wu & Wenyuan Hua & Liangguo Luo & Katsuya Tanaka, 2022. "Technical Efficiency of Maize Production and Its Influencing Factors in the World’s Largest Groundwater Drop Funnel Area, China," Agriculture, MDPI, vol. 12(5), pages 1-14, April.
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