Journal
TOXICON
Volume 111, Issue -, Pages 31-36Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.toxicon.2015.12.013
Keywords
Nivalenol; Toxicokinetics; Residues; Broiler chickens
Categories
Funding
- Royal Golden Jubilee Ph.D. Program
- Thailand Research Fund, Bangkok, Thailand
- Center for Agricultural Biotechnology, Kasetsart University, KamphaengSaen Campus, Nakhon Pathom
- Center of Excellence on Agricultural Biotechnology: (AG-BIO/PERDO-CHE)
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Nivalenol (NIV), a type B trichothecene mycotoxin, is mainly produced by the fungi of Fusarium genus, which naturally occurs in agricultural commodities. Consumers are particularly concerned over the toxicity and safety of NIV in food animal products. To evaluate the toxicokinetics and persistence of residues of NIV, NIV was administered intravenously (iv) or orally (po) to broiler chickens at a dosage of 0.8 mg/kg body weight. The concentration of NIV in the plasma and various tissues was detected using liquid chromatography tandem -mass spectrometry. The plasma concentration of NIV in broilers could be measured up to 24 h and 12 h after iv and po administration, respectively. The value of elimination halflife of NIV was 5.27 +/- 0.82 h and 2.51 +/- 0.88 h after iv and po administration, respectively. The absolute oral bioavailability was 3.98 +/- 0.08%. NIV was detected in the intestine, kidney, muscle, heart and liver after po administration. Regarding tissue residues, largest quantities of NIV were found in the small intestine. These results suggest that NIV is absorbed from the gastrointestinal tract with low bioavailability and it has the ability to diffuse into various tissues of broilers. (C) 2015 Elsevier Ltd. All rights reserved.
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