[논문]쑥갓 및 참나물 중 Lufenuron의 생산단계 잔류허용기준 설정을 위한 잔류 특성 연구

오아연; 반선우; 장희라

doi:10.5338/kjea.2023.42.1.04

쑥갓 및 참나물 중 Lufenuron의 생산단계 잔류허용기준 설정을 위한 잔류 특성 연구
Residual Characteristics of Lufenuron in Crown Daisy and Chamnamul for Establishing Pre-Harvest Residue Limit 원문보기

한국환경농학회지 = Korean journal of environmental agriculture, v.42 no.1, 2023년, pp.21 - 27

오아연 (호서대학교 생명보건대학 식품제약공학부) , 반선우 (호서대학교 생명보건대학 식품제약공학부) , 장희라 (호서대학교 생명보건대학 식품제약공학부)

Abstract ▼ AI-Helper

Pre-harvest residue limits (PHRLs) have been proposed as criteria for a proactive role to exceed the maximum residue limit (MRL) of pesticides in agricultural products at harvest. However, PHRL numbers are significantly less than those of established MRLs. This study was performed to determine the dissipation constants and residual concentrations of lufenuron after application on crown daisy and chamnamul under green house conditions. Two residue field trials for each crown daisy and chamnamul were selected to consider a different geographical site at least 20 km far from one another. The pesticide was treated according to critical GAP. After samples were sprayed with lufenuron, they were collected at 0, 1, 3, 5, 7, 10, and 14 days and analyzed using HPLC-DAD. The mean recoveries of crown daisy and chamnamul were within the range of 70-120% with below 20% coefficient variation, which is within the acceptable limits specified by the manual of pre-harvest residue study for pesticides (MFDS, 2014). The biological half-lives in field I and field II were 7.0 and 4.6 days for crown daisy and 2.7 and 2.8 days for chamnamul, respectively. The lower bounds of 95% confidence intervals of dissipation rate constants of lufenuron in crown daisy were determined to be 0.0692 and 0.1298 for field I and field II, respectively, and in chamnamul were 0.2067 for both field I and field II. After applying lufenuron 5% EC, the lufenuron residues on crown daisy and chamnamul at the pre-harvest intervals (14 days for crown daisy and 7 days for chamnamul) were below the safe levels. The dissipation rates of lufenuron in crown daisy and chamnamul were evaluated for similarities with leafy vegetables based on a 95% confidence interval.

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쑥갓 및 참나물 중 Lufenuron의 생산단계 잔류허용기준 설정을 위한 잔류 특성 연구
Residual Characteristics of Lufenuron in Crown Daisy and Chamnamul for Establishing Pre-Harvest Residue Limit 원문보기

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쑥갓 및 참나물 중 Lufenuron의 생산단계 잔류허용기준 설정을 위한 잔류 특성 연구 Residual Characteristics of Lufenuron in Crown Daisy and Chamnamul for Establishing Pre-Harvest Residue Limit 원문보기

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쑥갓 및 참나물 중 Lufenuron의 생산단계 잔류허용기준 설정을 위한 잔류 특성 연구
Residual Characteristics of Lufenuron in Crown Daisy and Chamnamul for Establishing Pre-Harvest Residue Limit 원문보기