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- Title
低共熔溶剂-超高效液相色谱-串联质谱法快速 测定肉制品、水产品中 3 种非法添加工业染料.
- Authors
周 佳; 刘子溱; 王丽君; 贾红芳; 文树新; 朱书强
- Abstract
Objective To establish a rapid method for determination of 3 kinds of illegally added industrial dyes (Congo red, methaniol yellow, red 2G) in meat and aquatic product by ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) with deep euectic solvent (DES). Methods The samples were dissolved by water, dispersion extracted by microscale deep euectic solvent, and dissoluted by acetonitrile. Triple quadrupole electrospray ion source ionization-multiple reaction monitoring (MRM)-anion monitoring mode was used for detection, external standard method was used for quantitative analysis. Results The linear relationships of Congo red, red 2G in the ranges of 0.2‒20.0 μg/kg and metanil yellow in the ranges of 0.02‒2.00 μg/kg were good, respectively, and the correlation coefficients were greater than 0.99. The limits of detection of the method were 0.12, 0.26 and 0.01 μg/kg, respectively. The recovery rates were 93.25%‒101.36%, and relative standard deviations were 1.27%‒4.06%. Conclusion DES has a good extraction effect of Congo red, red 2G and metanil yellow, which can solve the problem of complicated tradittional operation steps. This method is rapid, simple and accurate, and is suitable for determination of 3 kinds of illegally added industrial dyes in meat and aquatic products.
- Publication
Journal of Food Safety & Quality, 2022, Vol 13, Issue 5, p1538
- ISSN
2095-0381
- Publication type
Article