Determination of pyrethroid insecticide residues in vegetable oils by using combined solid-phases extraction and tandem mass spectrometry detection

Neither matrix effects nor interferences were observed employing the proposed treatment in olive oil analysis and recoveries at 25 and 100 ng/g level varied from 104 ± 2 to 91 ± 9%. The method can be also used for other vegetable oils such as sunflower, corn and soybean.