사과 및 배 과수원의 토양 및 과실 중 잔류성유기염소계 농약류 잔류량 조사
Investigation of Residual Organochlorine Pesticides in Apple and Pear Orchard Soil and Fruit
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초록
BACKGROUND: Residual organochlorine pesticides (OCPs) are designated as persistent organic pollutants (POPs) by Stockholm Convention because they bioaccumulate through the food web, and pose a risk of causing adverse effect to human health and the environment. Apple and pear is economic crop in agriculture, and its cultivation area and yield has been increased. Therefore, we tried to investigate the OCPs residue in apple and pear orchard soils and fruits. METHODS AND RESULTS: Extraction and clean‐up method were developed using the modified QuEChERS method for residual organochlorine pesticides (ROCPs) in apple and pear orchard soil and fruits. Recovery and limit of quantitation (LOQ) of ROCPs in soil and fruits were 75.4‐101.4 and 76.9‐93.4%, 0.03‐0.21 and 0.6‐1.2 μg/kg, respectively. Detected ROCPs in apple and pear orchard soil was 2,4‐ DDT, 4,4‐DDD, 4,4‐DDE, 4,4‐DDT, and endosulfan sulfate, the residues were 2.2, 1.9‐48.0, 1.3‐84.1, 90.6‐863.1, and 11.3‐239.0 μg/kg, respectively. But five pesticides in all fruit samples were not detected. CONCLUSION: These results showed that ROCPs residues in apple and pear orchard soil had no effect on safety of agricultural products.
Abstract
BACKGROUND: Residual organochlorine pesticides (OCPs) are designated as persistent organic pollutants (POPs) by Stockholm Convention because they bioaccumulate through the food web, and pose a risk of causing adverse effect to human health and the environment. Apple and pear is economic crop in agriculture, and its cultivation area and yield has been increased. Therefore, we tried to investigate the OCPs residue in apple and pear orchard soils and fruits. METHODS AND RESULTS: Extraction and clean‐up method were developed using the modified QuEChERS method for residual organochlorine pesticides (ROCPs) in apple and pear orchard soil and fruits. Recovery and limit of quantitation (LOQ) of ROCPs in soil and fruits were 75.4‐101.4 and 76.9‐93.4%, 0.03‐0.21 and 0.6‐1.2 μg/kg, respectively. Detected ROCPs in apple and pear orchard soil was 2,4‐ DDT, 4,4‐DDD, 4,4‐DDE, 4,4‐DDT, and endosulfan sulfate, the residues were 2.2, 1.9‐48.0, 1.3‐84.1, 90.6‐863.1, and 11.3‐239.0 μg/kg, respectively. But five pesticides in all fruit samples were not detected. CONCLUSION: These results showed that ROCPs residues in apple and pear orchard soil had no effect on safety of agricultural products.
참고문헌 (19)
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