Study on the simultaneous determination of seven benzoylurea pesticides in Oolong tea and their leaching characteristics during infusing process by HPLC-MS/MS.

@article{Chen2014StudyOT,
  title={Study on the simultaneous determination of seven benzoylurea pesticides in Oolong tea and their leaching characteristics during infusing process by HPLC-MS/MS.},
  author={Lei Chen and Jinfa Chen and Ying Guo and Jian-Rong Li and Yiqiang Yang and Liangjun Xu and Fengfu Fu},
  journal={Food chemistry},
  year={2014},
  volume={143},
  pages={405-10}
}
A method for the simultaneous determination of 7 benzoylurea pesticides (chlorfluazuron, diflubenzuron, fluazuron, flufenoxuron, hexaflumuron, teflubenzuron and triflumuron) in the manufactured Oolong tea leaves and its infusion was described. The method has a LOD of 0.03-1.00ng/mL, a recovery of 90.4-103% for made tea and 90.3-102% for tea-infused liquid, respectively. By using the proposed method, the leaching characteristics of above 7 pesticides during infusing process were investigated… CONTINUE READING

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