Rapid Screening of 45 Industrial Dyes in Foods by Ultra Performance Liquid Chromatography-Tandem Quadrupole Mass Spectrometry

doi:10.7506/spkx1002-6630-201206038

Abstract

Abstract: An ultra performance liquid chromatography-tandem quadrupole mass spectrometry (UPLC-MS/MS) method has been developed for the rapid screening of 45 industrial dyes residues in foods. Samples were extracted by solvent extraction and cleaned up before chromatographic separation on a BEH C18 column using a mobile phase consisting of water and acetonitrile by gradient elution. The dyes were analyzed by GC-MS/MS in multiple reaction monitoring (MRM) mode and quantified by the external standard method. The limits of detection for the dyes varied from 0.1 to 100μg/kg. The average recoveries across high, medium and low spike levels were between 61.51% and 109.64% with a relative standard deviation (RSD) in the range of 5.23%－9.76%. The method was simple, rapid, sensitive, accurate and suitable for use in the rapid screening of industrial dyes residues in foods.

Key words: industrial dyes, ultra performance liquid chromatography-tandem quadrupole mass spectrometry (UPLC-MS/MS), foods, screening

CLC Number:

TS207.3
O657

LUYong，QUYan，FENGNan，ZHAOJun-ping，JINWei-wei. Rapid Screening of 45 Industrial Dyes in Foods by Ultra Performance Liquid Chromatography-Tandem Quadrupole Mass Spectrometry[J]. FOOD SCIENCE, 2012, 33(6): 176-180.

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Rapid Screening of 45 Industrial Dyes in Foods by Ultra Performance Liquid Chromatography-Tandem Quadrupole Mass Spectrometry

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