Catak, HayriyeTiryaki, Osman2025-01-272025-01-2720201010-6960https://doi.org/10.16970/entoted.767482https://search.trdizin.gov.tr/tr/yayin/detay/431527https://hdl.handle.net/20.500.12428/25487The aim of this study was to investigate four insecticide residues in cucumbers with the aid of QuEChERS 2007.1 method. For method verification assessment, pesticide-free cucumber matrix was spiked with 0.1, 1 and 10 times of MRL for each pesticide. The QuEChERS-LC-MS/MS analytical method revealed that the detection limits of the insecticides were below the MRLs and the overall recovery of method was 97.7%. These figures were within the SANTE recovery limits (60-140%) and the values specified for the repeatability (<= 20%). Cucumbers were collected from six different stands (A-F) at Canakkale open markets for 6 weeks between 23 November and 28 December 2018. Residues of each sampling time and each stand were assessed. Acetamiprid residue of 257g and 236 mu g/kg were detected in week 5 from stand B and in week 2 from stand E, respectively. These values are close to MRL (300 mu g/kg). Formetanate hydrochloride residue of the week 3 from stand F (36.3 mu g/kg) was more than MRL of 10 mu g/kg. Pirimiphos methyl and chlorpyrifos residues were not detected in cucumbers. Theoretical maximum daily intake assessment showed that there was no chronic exposure risk for these four pesticides through cucumber consumption.eninfo:eu-repo/semantics/openAccessCucumberinsecticide residuesQuEChERSrisk assessmenttoxicologyArticle44444946010.16970/entoted.767482Q4WOS:0005988999000032-s2.0-85102699226431527Q3