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KMID : 0881720210360020163
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Journal of Food Hygiene and Safety
2021 Volume.36 No. 2 p.163 ~ p.171
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Monitoring of Pesticide Residues in Agricultural Products in Gangseo, Seoul, by Introduction of the Positive List System
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Kim Chang-Kyu
Lee Jae-Kyoo
Oh Se-Ah
Kim Young-Eun
Kwon Eun-Young
Yang Hye-Ran
Hwang Lae-Hwong
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Abstract
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This study was conducted to investigate concentrations of pesticide residues in commercial agriculturalproducts collected in the Gangseo area of Seoul from 2018 to 2020. We evaluated the effectiveness of introducingthe positive list system (PLS) to monitor pesticide residues exceeding the maximum residue limit (MRL). dueto the introduction of the PLS (positive list system). The total number of samples was 8,081 for agricultural productsand these were analyzed by multi-residue methods for 340 pesticides using GC-MS/MS, GC-MSD and HPLC-MS/MS. The violation rates of the samples over the MRLs of pesticide residues established by the Ministry of Food andDrug Safety in the surveys from 2018, 2019 and 2020 were 2.5%, 1.9% and 1.4%, respectively. Chi-square test analysiswas performed to determine the relationship between the introduction of the PLS and the status of violation byyear. The analysis result was χ2=8.383, P=0.015. As the P level of P<0.05 was statistically significant, it was foundthat the violation rates decreased with the introduction of PLS.
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KEYWORD
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Pesticide residue, Agricultural products, Positive List System, Maximum Residue Limit
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