“…7 Therefore, monitoring pesticide residues in daily used foodstuffs including cheese samples is of great importance. Gas chromatography (GC) 8,9 and liquid chromatography 10,11 are the conventional instrumental techniques for pesticide detection and determination. Despite the sufficient sensitivity of these instruments, efficient sample pretreatment is required in most cases to overcome the problems associated with the low-level of pesticides in real samples and matrix complexity.…”