Journal
FOOD CHEMISTRY
Volume 348, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2021.129105
Keywords
Anthelmintics; Fishery products; Residues; Tandem mass spectrometry; Method performance
Funding
- Ministry of Food and Drug Safety Administration, Republic of Korea [18162MFDS523]
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An analytical method for the simultaneous determination of 12 anthelmintics in fishery products was developed and proved suitable for real sample testing. This method utilized liquid-liquid extraction coupled with liquid chromatography-tandem mass spectrometry and exhibited moderate matrix effects.
Herein, an analytical method was developed for simultaneous determination of 12 anthelmintics (closantel, niclosamide, nitroxynil, rafoxanide, cymiazole, fluazuron, levamisole, morantel, praziquantel, pyrantel, thiophanate, and trichlorfon) in fishery products (eel, flatfish, and shrimp) using liquid-liquid extraction coupled with liquid chromatography-tandem mass spectrometry. A reversed-phase analytical column was then used to separate the analytes from various matrices. Linear matrix-matched calibration curves were generated with coefficients of determination >= 0.9935. Recovery rates at three spiking levels (5, 10, and 20 mu g/kg) ranged between 61.58% and 119.37% with relative standard deviations <= 19.05%. Limits of detection were in the range of 0.3-1.6 mu g/kg, whereas limits of quantification ranged between 1.0 and 5.0 mu g/kg. The matrix effect was moderate with values ranging from-99.47% to 51.98%. Matrices procured from large markets tested negative for the 12 anthelmintics. The developed method proved amenable to real sample testing and can be used for simultaneous determination of target analytes in aquatic products.
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