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http://dx.doi.org/10.5338/KJEA.2017.36.1.09

Residual Characteristics of Bistrifluron and Chlorantraniliprole in Strawberry (Fragaria ananassa Duch.) for Establishing Pre-Harvest Residue Limit  

Lee, Jae Won (School of Natural Resources and Enviromental Science, College of Agriculture and Life Sciences, Kangwon National University,)
Kim, Ji Yoon (School of Natural Resources and Enviromental Science, College of Agriculture and Life Sciences, Kangwon National University,)
Kim, Hee gon (School of Natural Resources and Enviromental Science, College of Agriculture and Life Sciences, Kangwon National University,)
Hur, Kyung Jin (School of Natural Resources and Enviromental Science, College of Agriculture and Life Sciences, Kangwon National University,)
Kwon, Chan Hyeok (Food Standard Division, Food Safety Policy Bureau, Ministry of Food and Drug Safety)
Hur, Jang Hyun (School of Natural Resources and Enviromental Science, College of Agriculture and Life Sciences, Kangwon National University,)
Publication Information
Korean Journal of Environmental Agriculture / v.36, no.1, 2017 , pp. 57-62 More about this Journal
Abstract
BACKGROUND: Pesticide residue analysis is essentially required for safety evaluation of agricultural products. Bistrifluron and chlorantraniliprole have been currently considered as potentials to deeply evaluate their residues in agricultural products because they are frequently found in strawberry. This work was performed to investigate the residual patterns of bistrifluron and chlorantraniliprole in strawberry after harvest. METHODS AND RESULTS: Strawberry was treated with bistrifluron and chlorantraniliprole 0, 1, 2, 3, 5, 7 and 10 days before harvest under greenhouse conditions. The strawberry samples were subjected to solvent and solid phase extractions followed by LC-MS/MS analysis. There covery percentages of bistrifluron and chlorantraniliprole for tified in the control samples ranged from approximately 82 to 103% with the method limit of 0.005 mg/kg. The concentrations of bistrifluron and chlorantraniliprole in strawberry samples decreased significantly in 10 days after treatment, giving the safety levels of 0.04 to 0.06 mg/kg at 10 days after application, as considered maximum residue limit. The half-lives of bistrifluron and chlorantraniliprole based on first order kinetics were determined to 6.3 days and 6.4 days, respectively. CONCLUSION: Bistrifluron and chlorantraniliprole are suggested to use in strawberry 10 days before harvest to reach residual safety levels.
Keywords
Biological half-life; Bistrifluron; Chlorantraniliprole; Pre-harvest residue limit (PHRL); Strawberry;
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Times Cited By KSCI : 12  (Citation Analysis)
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