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Determination of Methomyl Residues in Bohe by Ultrahigh-Performance Liquid Chromatography-Tandem Mass Spectrometry (UPLC-MS)

文献类型: 外文期刊

作者: Zheng, Yao 1 ; Naa Adoley, Addotey Tracy 1 ; Fateh, Benkhelifa 1 ; Wu, Wei 1 ; Hu, Gengdong 1 ; Qiu, Liping 1 ; Chen, 1 ;

作者机构: 1.Chinese Acad Fishery Sci, Lab Qual & Safety Risk Assessment Aquat Prod Envi, Fishery Ecoevironm Monitoring Ctr Lower Reaches Y, Freshwater Fisheries Res Ctr,Minist Agr, Wuxi 214081, Jiangsu, Peoples R China

2.Nanjing Agr Univ, Wuxi Fishery Coll, Wuxi 214081, Jiangsu, Peoples R China

期刊名称:INTERNATIONAL JOURNAL OF ANALYTICAL CHEMISTRY ( 影响因子:1.885; 五年影响因子:2.52 )

ISSN: 1687-8760

年卷期: 2020 年 2020 卷

页码:

收录情况: SCI

摘要: The aim of this work is to investigate the presence of methomyl pesticide residue and the rate of disappearance in mint cultivated in the aquaponics system based on the application of UPLC-MS to establish a safety time interval before crop harvesting. Results showed that an effective and sensitive method based on UPLC-MS has been used for the determination of methomyl pesticide residues in mint. The initial residue level was much higher in roots (79.52 mu g/kg), and it can be decreased to 16.73 (after 15 days) mu g/kg and 3.31 (20 days) mu g/kg, while the least was detected on the mix leaves and stems (44.54 mu g/kg), and it can be decreased to 15.35 (after 20 days). In our case, we suggest that a safety interval in the range of 15-20 days should be allowed after the detection of methomyl in water, and the concentration of methomyl was lower than the acceptable daily intake (ADI) of the China Food and Drug Administration (CFDA) (20 mu g/kg).

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