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http://dx.doi.org/10.7585/kjps.2012.16.4.273

Analysis of Pesticide Residues in Rice Straw for Livestock Feed  

Gil, Geun-Hwan (Department of Agro-Food Safety, National Academy of Agricultural Science, Rural Development Administration)
Kim, Jin-Bae (Department of Agro-Food Safety, National Academy of Agricultural Science, Rural Development Administration)
Kim, Chan-Sub (Department of Agro-Food Safety, National Academy of Agricultural Science, Rural Development Administration)
Son, Gyeong-Ae (Department of Agro-Food Safety, National Academy of Agricultural Science, Rural Development Administration)
Gwon, Hye-Yeong (Department of Agro-Food Safety, National Academy of Agricultural Science, Rural Development Administration)
Park, Jea-Eup (Department of Agro-Food Safety, National Academy of Agricultural Science, Rural Development Administration)
Lee, Kyu-Seung (Department of Agricultural Chemistry, Chungnam National University)
Publication Information
The Korean Journal of Pesticide Science / v.16, no.4, 2012 , pp. 273-281 More about this Journal
Abstract
This study was conducted for the establishment of the analytical method of pesticide residues in rice straw for 9 pesticides; etofenprox, tricyclazole, diazinon, edifenphos, propiconazole, carbaryl, carbofuran, 3-hydroxy carbofuran and 3-keto carbofuran and for the monitoring of these pesticides in rice straw for livestock feed in Korea. These pesticides were classified into 4 groups according to analytical instrument condition. Group 1 (HPLC-UVD1) included tricyclazole and etofenprox while group 2 (HPLC-UVD2) included propiconazole and edifenphos. Group 3 (HPLC-FLD) included carbaryl, carbofuran, 3-hydroxy carbofuran and 3-keto carbofuran. Group 4 (GC-NPD) included Diazinon. The dried rice straw samples were extracted with acetone and purified by liquid-liquid partition and solid phase extraction (SPE): Combination of Florisil SPE and amino-propyl SPE was used for group 1 and group 2, amino-propyl SPE for group 3, and Florisil SPE was for group 4. Recovery was in the ranged 70~110% and the limits of quantitation (LOQ) were lower than the half of maximum residue limits. Therefore this method was proved to be efficient for monitoring of these pesticides residue in rice straw. A total of 18 rice straw samples from 6 provinces in Korea in 2010 were analyzed using established method and, only 3-keto carbofuran was detected in one sample at concentration of 0.04 mg/kg.
Keywords
Rice straw; Pesticide residue; Analytical method; Monitoring;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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