Citation:
WU Haiyan, GUO Mengmeng, ZHAO Chunxia, TAN Zhijun, GU Haifeng, ZHAI Yuxiu, LU Lina. Liquid chromatography-tandem mass spectrometry analysis for azaspiracids and their metabolites[J]. Chinese Journal of Chromatography,
;2016, 34(4): 401-406.
doi:
10.3724/SP.J.1123.2015.11043
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A liquid chromatography-tandem mass spectrometry method was developed for the analysis of azaspiracids and their metabolites. Both target metabolites and non-objective compounds detection methods were investigated, and the secondary mass spectra were compared with the standard spectra libraries to achieve high precision qualitative analysis. As a result, 11 metabolites including AZA-2, 3, 6, 11, 12, 16, 17, 28 and 36, as well as the glutathione conjugated metabolites of AZAs were analyzed in toxin-producing algae, accumulated samples of metabolic experiments and positive samples. Conventional metabolites were unbiased detected by target metabolites detection method, and showed a better response to low concentration metabolites. The method has excellent reproducibility, and is easy for operators. It can be used for the routine monitoring of AZAs.
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