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Inter-laboratory study on simultaneous quantification of ten trichothecenes in feed

机译：Inter-laboratory study on simultaneous quantification of ten trichothecenes in feed

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Abstract An inter-laboratory study was performed in eight laboratories to evaluate the simultaneous quantification method for HT-2 toxin (HT-2), T-2 toxin (T-2), diacetoxyscirpenol (DAS), neosolaniol (NES), 3-acetyldeoxynivalenol (3-AcDON), 15-acetyldeoxynivalenol (15-AcDON), deoxynivalenol (DON), deoxynivalenol-3-glucoside (D3G), nivalenol (NIV), and fusarenon-X (FUS-X) in feed. The mycotoxins in the samples were extracted with hydrous acetonitrile, purified using a multifunctional column (InertSep® VRA-3) and a phospholipid removal column (Hybrid SPE®-Phospholipid), and then quantified using liquid chromatography-tandem mass spectrometry (LC–MS/MS) with atmospheric pressure chemical ionisation mode. The mean recovery, repeatability, reproducibility, and Horwitz ratio from the inter-laboratory validation study were 99.8–109, 3.1–9.8, 4.3–9.8, and 0.19–0.45, respectively, for type A trichothecenes (HT-2, T-2, DAS, and NES). Those values for type B trichothecenes (3-AcDON, 15-AcDON, DON, NIV, and FUS-X) were 89.9–116, 3.4–9.1, 5.6–14, and 0.25–0.70, and the values for modified mycotoxin (D3G) were 78.2–96.7, 3.5–6.4, and 13–22, respectively.

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