Determination of residues of malachite green and leucomalachite green in Chinese soft-shelled turtle (Pelodiscus sinensis) muscle by ultra-high performance liquid chromatography-mass spectrometry
文献类型： 外文期刊
作者： Zeng, Shaodong 1 ; Yang, Chunliang 1 ; Wang, Mingyue 1 ; Cha, Yubing 1 ; Lin, Ling 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Zhanjiang 524001, Peoples R China
关键词： Ultra-high performance liquid chromatography-mass spectrometry;Chinese soft-shelled turtle (Pelodiscus sinensis);Malachite green;Leucomalachite green
期刊名称：ADVANCES IN CHEMICAL ENGINEERING III, PTS 1-4
ISSN： 1022-6680
年卷期： 2013 年 781-784 卷
页码：
收录情况： SCI
摘要： A method for the determination of residues of malachite green and leucomalachite green in Chinese soft-shelled turtles (Pelodiscus sinensis) muscle by ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) was established. The samples extracted with acetonitrile, and clean up on a neutral alumina SPE cartridge, separated on a C-18 column using acetonitrile-5mmol/L, ammonium acetate as mobile phase, and then detected under multiple reaction monitoring mode. The method showed a good linearity for all the analysts over the range of 0.1-50 mu g/L with r(2)>= 0.999. The detection limits of malachite green and leucomalachite green were 0.10 and 0.12 mu g/kg respectively. The recoveries ranged from 84.9 % to 93.8% at three spiked concentrations with the relative standard deviations lower than 5%. The results shows that this method has the advantages of easy to operate, fast to perform,with high sensitivity and accuracy, and it is suitable for detection of residues of malachite green and leucomalachite green in Chinese soft-shelled turtle(Pelodiscus sinensis).
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