Determination of olaquindox metabolites in animal-derived foods

2021-09-23 10:23:05
Dima Technology establishes a solution of olaquindox metabolites in animal-derived foods such as pork and pig liver, and compares the determination of carbazone, olaquindox and metabolite residues in bovine, pig liver and muscle in GB/T 20746-2006 Chromatography-tandem mass spectrometry, this scheme: 1. No complicated operation steps such as formic acid solution digestion, protease digestion, hydrochloric acid acidification, etc., using 2% ethyl formate as the extract, using ProElut PXA solid phase extraction column, water, Methanol elution, 2% ethyl formate elution; 2. Simplify the pre-treatment steps, reduce the cost of the experiment, save a lot of time, and reduce the effect of matrix effect, the recovery rate is more than 85%, to ensure the accuracy and weight of the experimental results The method has a detection limit of 0.27 μg/kg, which is compared with the national standard method “GB/T 20746-2006. Determination of carbachol, olaquindox and metabolite residues in cattle, pig liver and muscle by liquid chromatography-tandem mass spectrometry The method has a detection limit of 0.5 μg/kg and is suitable for use by a wide range of analysts.

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