Determination of tolfenpyrad residues in green tea by GC-MS/MS based on solid-phase extraction with acetonitrile extractant dispersion

Green tea is one of people's favorite drinks. However, pesticide residues in green tea can cause harm to the human body, and therefore, detection of pesticide residues in green tea is very important. In recent years, the detection of pesticide residues in tea has become a research hotspot. In this paper, a gas chromatography-mass spectrometry/mass spectrometry (GC-MS/MS) detection method of tolfenpyrad pesticide residues in green tea was established by using acetonitrile as dispersive solid-phase extraction, temperature programming and application retention time lock with the database.