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KMID : 0881720190340040340
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Journal of Food Hygiene and Safety
2019 Volume.34 No. 4 p.340 ~ p.347
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A Safety Survey on Pesticide Residues in Dried Agricultural Products
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Lee Hyo-Kyung
Oh Moon-Seog
Jeong Jin-A
Kim Ki-Yu
Lee Seong-Bong
Kim Han-Teak
Kang Hyang-Ri
Son Ji-Hee
Lee Yun-Mi
Lee Mi-Kyoung
Lee Byoung-Hoon
Kim Ji-Won
Park Yong-Bae
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Abstract
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We performed a safety survey on residual pesticides in dried agricultural products. A total of 110 samples of dried agricultural products distributed in Gyeonggi-do were analyzed for 263 pesticides according to multi class pesiticide multiresidue method. Ten types of pesticides were detected in 10 samples. Chlorpyrifos was detected in Ricinus communis leaves, chlorpyrifos, hexaconazole, pyridalyl in Chwinamul (wild aster), diniconazole, isoprothiolane, lufenuron in radish leaves, hexaconazole in Cirsium setidens (Korean thistle), bifenthrin, and chlorothalonil, boscalid, and pyraclostrobin in pepper leaves. The detection rate of pesticides was 9.1%, and among these samples, one was detected over Maximum Residue Limits (MRLs). In the validation study, the values of limit of detection (LOD), limit of quantitation (LOQ), coefficient of determination (R 2 ) and recovery were in the range of 0.002~0.027 mg/kg, 0.006~0.083 mg/kg, 0.9964~1.0000 and 74.8~118.9%, respectively. The Positive List System (PLS) was newly introduced as part of the safety management of residual pesticide in agricultural products in Korea in 2019. With the application of the PLS, if the MRL is not established, 0.01 mg/kg limit is applied uniformly. In spite, these of strengthened residue limits, the MRLs of dried agricultural products are still insufficient. Therefore, this study could be utilized as basic data for the setting of proper MRLs.
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KEYWORD
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Dried agricultural products, chlorpyrifos, Maximum Residue Limits (MRLs)
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