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Determination of Multi-pesticides Residues in Jasmine Flower and Its Scented Tea


For minor crops such as jasmine, the lack of pesticide registration and maximum residue limits are important issues that need to be solved in order to facilitate trading and ensure food safety. Meanwhile, reliable and quick analytical methods for multi-pesticide residues in these commodities are few, but required by various stakeholders. In this study, a method for detecting twenty-five most frequently used pesticides in jasmine flower and its scented tea by multi-plug filtration cleanup and ultra-high-performance liquid chromatography-tandem mass spectrometry was developed and validated. The cleanup process was optimized and compared with the dispersive solid phase extraction procedure. The method was validated, showing that except for methomyl, recoveries of twenty-five pesticides were 64%–108%, with relative standard deviations (n = 5) of 0.33%–10%. The method was successfully applied to detect pesticide residues in marketed samples. The results showed that some flower and tea samples contained a combination of different pesticide residues.

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This work was financially and technically supported by Guangxi Key Research and Development Program (AB21196039).

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Writing—original draft preparation, formal analysis, investigation and validation: YZ; conceptualization, writing—review and editing: YW, QA; investigation, resources: WZ, GC; supervision, methodology, writing—review and editing: CP.

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Correspondence to Canping Pan.

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Zhou, Y., Wu, Y., Zeng, W. et al. Determination of Multi-pesticides Residues in Jasmine Flower and Its Scented Tea. Bull Environ Contam Toxicol 110, 48 (2023).

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  • Jasmine
  • Pesticide residue
  • Multi-plug filtration cleanup
  • Scented tea