Pesticide residues in grain from Kazakhstan and potential health risks associated with exposure to detected pesticides

作者：Lozowicka B^*; Kaczynski P; Paritova A E; Kuzembekova G B; Abzhalieva A B; Sarsembayeva N B; Alihan K

来源：Food and Chemical Toxicology, 2014, 64: 238-248.

DOI：10.1016/j.fct.2013.11.038

• Cereals
• Pesticide residues
• Gas chromatography
• Kazakhstan
• Health standards

This paper presents the first study of pesticide residue results in grain from Kazakhstan. A total of 80 samples: barley, oat, rye, and wheat were collected and tested in the accredited laboratory. Among 180 pesticides, 10 active substances were detected. Banned pesticides, such as DDTs, gamma-HCH, aldrin and diazinon were found in cereal grain. Chlorpyrifos methyl and pirimiphos methyl were the most frequently detected residues. No residues were found in 77.5% of the samples, 13.75% contained pesticide residues at or below MRLs, and 8.75% above MRLs. The greatest percentage of samples with residues (29%) was noted for wheat, and the lowest for rye (20%). Obtained data were used to estimate potential health risks associated with exposure to these pesticides. The highest estimated daily intakes (EDIs) were as follows: 789% of the ADI for aldrin (wheat) and 49.8% of the ADI for pirimiphos methyl (wheat and rye). The acute risk from aldrin and tebuconazole in wheat was 315.9% and 98.7% ARID, respectively. The results show that despite the highest EDIs of pesticide residues in cereals, the current situation could not be considered a serious public health problem. Nevertheless, an investigation into continuous monitoring of pesticide residues in grain is recommended.

• 出版日期2014-2