A fast multi-residue analysis of twenty-four classes of pesticide in sesame (Sesamum indicum L.) and their migration into processed products

•The performed multiresidue analysis was applied in sesame oil, paste, and meal.•Freezing overnight while extracting the sesame matrices facilitates the operation.•The processing factors of pesticides relate to physicochemical properties.•65% of the pesticides studied herein migrated to the sesame oil after processing.