Abstract
An analytical method based on high performance liquid chromatography-tandem mass spectrometry was developed for the determination of 2-naphthol in fruits and vegetables.Samples were extracted with acetonitrile,and the extract was then cleaned up on an LC-NH2 cartridge.The analytes were determined by LC-MS/MS with electrospray ionization source in multiple reaction monitoring(MRM).Quantification was conducted by external standard calibration.Good linearity was observed in the range of 50.00 to 1000.00 μg/L(r2 ≥ 0.9997).The limit of detection of the established method was 10 μg/kg.The recovery rate of 2-naphthol was 70.4%–105.5% at spiked levels of 10,20 μg/kg and 50 μg/kg in deferent samples,with relative standard deviation of 4.1%–10.6%.
Published Version
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