Journal
ANALYTICAL LETTERS
Volume 48, Issue 13, Pages 1979-1987Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/00032719.2015.1015075
Keywords
Chicken feed; Nitrofurans; Liquid chromatography-tandem mass spectrometry
Categories
Funding
- Center of Excellence for Innovation in Chemistry (PERCH-CIC), Commission on Higher Education, Ministry of Education
- Kasetsart University Research and Development Institute (KURDI)
- Betagro Science Center Co., Ltd.
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Liquid chromatography with tandem mass spectrometry was used for the determination of nitrofurantoin, nitrofurazone, furazolidone, and furaltadone in chicken feed. The nitrofurans were extracted with phosphate buffer (pH 7) and sodium chloride. Proteins and lipids were removed with acetonitrile and hexane before purification with ethyl acetate, dilution in 1:1 acetonitrile-5 millimolar ammonium acetate at pH 7.3, and filtration prior to analysis. The limits of detection were 1.69, 1.74, 2.01, and 1.45 microgram per kilogram for nitrofurantoin, nitrofurazone, furazolidone, and furaltadone, respectively. The mean recoveries were between 84.6 and 110.6 percent. The method was employed to determine nitrofurans in chicken feed.
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