피나물 중 boscalid 및 pyraclostrobin의 토양 처리시 잔류특성 및 안전성 평가
Residue Characteristics and Risk Assessment of Pesticides (Boscalid and Pyraclostrobin) in Hylomecon vernalis
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초록
BACKGROUND: This study was aimed to determine characteristics of residues of the soil-treated boscalid and pyraclostrobin within Hylomecon vernalis and to evaluate the risks from intake of the residual pesticides in the crop. METHODS AND RESULTS: The pesticides were treated to soils at two different concentrations, and the plant sam-ples were collected 57 days after seeding. The samples were extracted using the QuEChERS extraction kit (MgSO4 4 g, NaCl 1 g). The quantitative methods for bo-scalid and pyraclostrobin were validated using linearity, recovery, and CV (coefficient of variation). Risk assess-ment of the pesticides was performed using Korea na-tional nutrition statistics 2019. CONCLUSION(S): The residual levels of boscalid were 0.02-0.05 mg/kg (for the treatment at 6 Kg/10a) and 0.05-0.08 mg/kg (for the treatment at 12 Kg/10a), respectively. The residual concentrations of pyraclos-trobin were below the LOQ. The amounts of pesticides were less than Maximum Residue Limits specified by the Korean Ministry of Food and Drug Safety. The maximum hazard indices of boscalid in chwinamul and amaranth for consumers were 0.0075% and 0.1525%, respectively, and it indicates that the risk of the pesticides from the crop is considered to be low.
Abstract
BACKGROUND: This study was aimed to determine characteristics of residues of the soil-treated boscalid and pyraclostrobin within Hylomecon vernalis and to evaluate the risks from intake of the residual pesticides in the crop. METHODS AND RESULTS: The pesticides were treated to soils at two different concentrations, and the plant sam-ples were collected 57 days after seeding. The samples were extracted using the QuEChERS extraction kit (MgSO4 4 g, NaCl 1 g). The quantitative methods for bo-scalid and pyraclostrobin were validated using linearity, recovery, and CV (coefficient of variation). Risk assess-ment of the pesticides was performed using Korea na-tional nutrition statistics 2019. CONCLUSION(S): The residual levels of boscalid were 0.02-0.05 mg/kg (for the treatment at 6 Kg/10a) and 0.05-0.08 mg/kg (for the treatment at 12 Kg/10a), respectively. The residual concentrations of pyraclos-trobin were below the LOQ. The amounts of pesticides were less than Maximum Residue Limits specified by the Korean Ministry of Food and Drug Safety. The maximum hazard indices of boscalid in chwinamul and amaranth for consumers were 0.0075% and 0.1525%, respectively, and it indicates that the risk of the pesticides from the crop is considered to be low.
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