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Chinese Journal of Chromatography
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Chinese Journal of Chromatography  2015, Vol. 33 Issue (8): 822-829    DOI: 10.3724/SP.J.1123.2015.03022
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Rapid screening of 28 acidic artificial dyes in fishery products by ultra performance liquid chromatography coupled with quadrupole-time of flight mass spectrometry
WANG Pingya, ZHOU Yong, DAI Yifei, HUANG Li, ZHAO Qiaoling
Zhoushan Institute for Food and Drug Control, Zhoushan Institute of Calibration and Testing for Quality and Technology Supervision, Zhoushan 316021, China
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Abstract 

An analytical method was established for the simultaneous determination of 28 acidic artificial dyes in fishery products by ultra performance liquid chromatography coupled with quadrupole-time of flight mass spectrometry (UPLC-Q-TOF MS). The analytes in fishery products were extracted with ethyl alcohol containing 20% (v/v) ammonia water and 10% (v/v) water. Then the extract solution was purified according to amination adsorbent matrix dispersion method. The compounds were separated by an Eclipse Plus-C18 column with acetonitrile and 0.1% (v/v) formic acid-5 mmol/L ammonium acetate solution as the mobile phases, and measured by UPLC-Q-TOF MS with electrospray ionization in negative mode. As a result, the limits of quantification (LOQs, S/N=10) of the target compounds were 20-100 μg/kg in fishery products. The 28 analytes behaved linearly in wide-range with the correlation coefficients more than 0.991 as well as the relative standard deviations (RSDs) of the peak areas less than 5.61% (n=6). The average recoveries of the 28 analytes spiked at three levels were ranged from 70.24% to 106.47% with RSDs of 5.62%-9.65% (n=6). This method can be applied to the analysis of the 28 acidic artificial dyes in fishery products due to its fastness, simplicity and relatively high sensitivity.

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Articles by authors
WANG Pingya
ZHOU Yong
DAI Yifei
HUANG Li
ZHAO Qiaoling
Key wordsultra performance liquid chromatography coupled with quadrupole-time of flight mass spectrometry (UPLC-Q-TOF MS)   acidic artificial dyes   fishery products   rapid screening     
Received: 2015-03-17;
Cite this article:   
WANG Pingya,ZHOU Yong,DAI Yifei et al. Rapid screening of 28 acidic artificial dyes in fishery products by ultra performance liquid chromatography coupled with quadrupole-time of flight mass spectrometry[J]. Chinese Journal of Chromatography, 2015, 33(8): 822-829.
 
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