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ACTA HORTICULTURAE SINICA ›› 2017, Vol. 44 ›› Issue (3): 566-574.doi: 10.16420/j.issn.0513-353x.2016-0425

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Determination of Glyphosate and Aminomethylphosphonic Acid Residues in Peach Fruit,Leaf and Soil by High Performance Liquid Chromatography–Tandem Mass Spectrometry

QIAO Chengkui,WANG Chao,HUANG Yunan,XIE Hanzhong*,LUO Jing,PANG Tao,and FANG Jinbao   

  1. Zhengzhou Fruit Research InstituteChinese Academy of Agricultural SciencesLaboratory of Quality and Safety Risk Assessment for FruitZhengzhou),Ministry of AgricultureFruit and Nursery Stock Quality Supervision and Testing CenterZhengzhou),the Ministry of AgricultureZhengzhou 450009China
  • Online:2017-03-25 Published:2017-03-25

Abstract:

An analytical method for the determination of glyphosate(PMG)and aminomethyl- phosphonic acid(AMPA)in peach fruit,leaf and soil was established using high performance liquid chromatography-tandem mass spectrometry(HPLC-MS/MS). The samples were extracted with NaHCO3 water solution and dichloromethane,derived with 9-fluorenylmethyl chloroformate(FMOC-Cl)at room temperature for 3 h,and analyzed in multiple reaction monitoring(MRM)mode. The results indicated good linearity with correlation coefficients greater than 0.999 in the concentration range of 1–2 000 μg · L-1. The average recoveries of PMG and AMPA in each matrixes were found between 76.7% and 93.0% at 0.01–1.0 mg · kg-1,with relative standard deviations(RSD)of 2.2%–8.7%. The limits of  quantification(LOQ)were 0.01 mg · kg-1. The method was suitable for rapid determination of PMG and AMPA residues in fruit and leaf of peach and soil.

Key words: peach, fruit, leaf, soil, glyphosate, aminonethylphosphonic acid, HPLC-MS/MS