Simultaneous determination of malachite green, crystal violet, methylene blue and the metabolite residues in aquatic products by ultra-performance liquid chromatography with electrospray ionization tandem mass spectrometry

Journal of Chromatographic Science
Ying-Jiang XuLi-Min Zhang

Abstract

This work describes solid-phase extraction-ultra-performance liquid chromatography with electrospray ionization tandem spectrometry for determination of malachite green and metabolite leucomalachite green, crystal violet and metabolite leucocrystal violet, methylene blue and metabolites including azure A, azure B and azure C in aquatic products. Samples were extracted with acetonitrile and ammonium acetate buffer and purified by liquid extraction with dichloromethane, and then on MCAX solid-phase extraction cartridges. Then the extract was evaporated at 45°C by nitrogen blow. The residue was dissolved and separated by an Acquity BEH C18 column. The mobile phase was acetonitrile (A) and 5 mmol/L of ammonium acetate containing 0.1% formic acid (B). Analytes were confirmed and quantified using a tandem mass spectrometry system in multiple reaction mode with triple quadrupole analyzer using positive polarity mode. The limits of detection of malachite green, leucomalachite green, crystal violet and leucocrystal violet were 0.15 µg/kg, the limits of quantification were 0.50 µg/kg, and the average recoveries were more than 75% with spiked residues from 0.5 to 10 µg/kg. The relative standard deviations were less than 13%. The limits of...Continue Reading

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Citations

Mar 22, 2016·Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences·Eric J Maxwell, William G Tong
Feb 15, 2014·Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment·Kamran AbroShahnaz Perveen
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Dec 19, 2020·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Ingrid Brito BarbosaAlexandre Orsato

Related Concepts

Malachite green, oxalate (4: 1)
Cyprinus
High Pressure Liquid Chromatography Procedure
Gentiaanviolet FNA
Urolene Blue
Rosaniline Dyes
Seafood
Spectrometry, Mass, Electrospray Ionization
Tandem Mass Spectrometry
Limit of Detection

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