1.贵阳海关综合技术中心,贵州 贵阳 550081
2.贵州轻工职业技术学院,贵州 贵阳 540003
王兴宁,硕士,研究方向:食品中农药残留检测,E-mail:271762880@qq.com
扫 描 看 全 文
王兴宁,王涛,李洁等.液相色谱-串联质谱法测定植物源性食品中总氟吡禾灵残留[J].分析测试学报,2021,40(10):1526-1531.
WANG Xing-ning,WANG Tao,LI Jie,et al.Determination of Total Haloxyfop in Plant-derived Foods by Liquid Chromatography-Tandem Mass Spectrometry[J].Journal of Instrumental Analysis,2021,40(10):1526-1531.
王兴宁,王涛,李洁等.液相色谱-串联质谱法测定植物源性食品中总氟吡禾灵残留[J].分析测试学报,2021,40(10):1526-1531. DOI: 10.19969/j.fxcsxb.21020902.
WANG Xing-ning,WANG Tao,LI Jie,et al.Determination of Total Haloxyfop in Plant-derived Foods by Liquid Chromatography-Tandem Mass Spectrometry[J].Journal of Instrumental Analysis,2021,40(10):1526-1531. DOI: 10.19969/j.fxcsxb.21020902.
应用液相色谱-串联质谱(LC-MS/MS)技术,建立了植物源性食品中总氟吡禾灵的测定方法。样品经碱性乙腈提取,用无水MgSO,4,、十八烷基硅烷(C,18,)和石墨化炭黑(GCB)基质分散固相萃取净化。采用0.1%甲酸乙腈和0.1%甲酸水溶液为流动相进行梯度洗脱,C,18,色谱柱(2.1 mm × 50 mm,1.7 µm)分离,在正离子模式下采用多反应监测(MRM)扫描测定,内标法定量。结果表明:氟吡禾灵在2.5~50 ng/mL范围内线性关系良好,相关系数(,r,2,)大于0.999;0.01、0.05、0.1 mg/kg 3个加标水平下,柠檬、柑橘、马铃薯、结球甘蓝、甜椒、洋葱、大米、葵花籽及茶叶9种基质的平均回收率为80.7%~114%,相对标准偏差(RSD)为1.4%~11%;方法定量下限为0.01 mg/kg。该方法显示氟吡禾灵酯类完全转化为总氟吡禾灵,适用于植物源性食品中总氟吡禾灵的快速检测。
A simple,fast and reliable method was developed for quantitative determination of total haloxyfop in plant-derived foods using liquid chromatography coupled to tandem mass spectrometry(LC-MS/MS).The sample preparation consisted of a dispersive solid phase extraction(dispersive-SPE) method by addition of an alkaline hydrolysis step to release total haloxyfop.The target compound was extracted with acetonitrile,and then purified using anhydrous MgSO,4,,octadecyl(C,18,) and graphitized carbon black(GCB).A mixture of 0.1% formic acid acetonitrile and 0.1% formic acid aqueous solution was used as the mobile phase,followed by binary gradient elution,C,18, (2.1 mm × 50 mm,1.7 µm) column separation.The analysis was performed in positive ion mode under multiple reaction monitoring(MRM) mode,and internal standard method was used for quantitative analysis.Results showed that there was a good linear relationship for haloxyfop over the range of 2.5-50 ng/mL with a correlation coefficient(,r,2,) greater than 0.999.At three spiked levels(0.01,0.05 and 0.1 mg/kg),average recoveries for total haloxyfop ranged from 80.7% to 114%,with relative standard deviations(RSD) of 1.4%-11%.The limit of quantitation was as low as 0.01 mg/kg.The method showed a fully converted step from haloxyfop-esters to haloxyfop,and it was suitable for the analysis of total haloxyfop residues in plant-derived foods.
总氟吡禾灵碱水解分散固相萃取植物源性食品液相色谱-串联质谱
total haloxyfopalkaline hydrolysisdispersive solid phase extractionplant-derived foodsliquid chromatography-tandem mass spectrometry
Meister R T.Farm Chemicals Handbook.Willoughby:Meister Publishing Company,1992.
Tang Q H.Zhejiang Chem. Ind. (唐庆红.浙江化工),2000,(3):29-32.
Irzyk G P,Bauman T T,Carpita N C.Weed Sci.,1990,38:484-491.
European Food Safety Authority(EFSA).Reasoned Opinion on the Review of the Existing Maximum Residue Levels(MRLs) for Haloxyfop-P According the Article 12 of Regulation(EC) No. 396/2005.EFSA J.,2014,12:8-60.
GB 2763-2019.National Food Safety Standard-Maximum Residue Limits of Pesticides in Food.National Standards of the People's Republic of China(食品安全国家标准 食品中农药最大残留限量.中华人民共和国国家标准).
EU Pesticides Database DG Sanco EU MRLs Regulation EC No. 396/2005(2020).
The Japan Food Chemical Research Foundation.Maximum Residue Limits(MRLs) List of Agricultural Chemicals in Foods.
Zhang Y.Chin. J. Chromatogr. (张莹.色谱),2004,22(1):95.
Guidance Document on Pesticide Residue Analytical Methods.Series on Testing and Assessment. No.72 and Series on Pesticides No. 39,ENV/JM/MONO(2007)17.
Gou J,Pan Z M,Yu H Y.Chin. Meas. Test(苟健,潘志明,余海洋.中国测试),2017,43(9):64-67.
Wu L,Gong D X,Zhang X D,Nie H Y,Yang L H.Chin. J. Hunan Agric. Univ.:Nat. Sci. (吴亮,龚道新,张小东,聂红英,杨丽华.湖南农业大学学报:自然科学版),2016,42(3):322-327.
Chen Q,Yu F,Zhang H.Guangzhou Chem. Ind. (陈琼,喻芳,张惠.广州化工),2015,43(16):143-146.
Koesukwiwat U,Vaclavik L,Mastovska K.Anal. Bioanal. Chem.,2018,410(22):5521-5528.
Steinborn A,Alder L,Spitzke M,Dork D.J. Agric. Food Chem.,2017,65(6):1296-1305.
Yu Y,Zhao S,Yang Y.J. AOAC Int.,2019,102:1632-1640.
Islam R,Ghoniem E R,Attallah M M.Int. J. Environ. Anal. Chem.,2017,97:301-312.
Santilio A,Stefanelli P,Dommarco R.J. Environ. Sci. Health B,2009,44:584-590.
Sack C,Vonderbrink J,Smoker M,Smith R E. J. Agric. Food Chem.,2015,63:9657-9665.
Li M,Zhang J N,Meng X J.Biotech World(李曼,张嘉楠,孟宪杰.生物技术世界),2016,13(5):62-63.
Fan J,Liu T F,Yang D F.J. Food Safe. Qual. (范君,刘腾飞,杨代凤.食品安全质量检测学报),2017,8(9):3543-3548.
European Commission.SANTE/12682/2019.European Commission Directorate-General for Health and Food Safety,2019.
0
浏览量
3
下载量
0
CSCD
关联资源
相关文章
相关作者
相关机构