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  • Title: [Single-laboratory validation study of simple and simultaneous determination method for pesticide residues in meat by LC-MS/MS].
    Author: Sasamoto T, Kobayashi M, Sakai N, Kamijo K, Ootani H, Hayashi M, Baba I, Hanashiro C, Takano I.
    Journal: Shokuhin Eiseigaku Zasshi; 2015; 56(1):19-30. PubMed ID: 25748982.
    Abstract:
    We performed a single-laboratory validation study of a simple and simultaneous determination method for pesticide residues in meat using LC-MS/MS. Water was added to the sample and the mixture was homogenized. Next, pesticides were extracted with acetonitrile containing 1 vol% formic acid using a homogenizer, and salted out with magnesium sulfate, trisodium citrate and sodium chloride. After centrifugation, the acetonitrile layer was made up to standard volume and analyzed by LC-MS/MS. This method was assessed by performing recovery tests in retail bovine, swine and chicken muscle samples spiked with the 132 pesticides at the levels of 0.01 and 0.04 μg/g. Among them, 125 pesticides satisfied the Japanese method validation guideline criteria in bovine, 120 in swine and 127 in chicken.
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