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KMID : 0380620140460010007
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Korean Journal of Food Science and Technology
2014 Volume.46 No. 1 p.7 ~ p.12
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Development and Validation of an Analytical Method for Flutianil Residue Identification Using Gas Chromatography-Electron Capture Detection
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Kwon Ji-Eun
Do Jung-Ah
Park Hye-jin
Lee Ji-Young
Cho Yoon-Jae
Oh Jae-Ho
Rhee Gyu-Sik
Lee Sang-Jae
Chang Moon-Ik
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Abstract
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A sensitive and simple analytical method to identify flutianil residues in agricultural commodities wasdeveloped and validated using gas chromatography-electron capture detection (GC-ECD) and mass spectrometry (GC-MS).The flutianil residues were extracted with acetonitrile, partitioned with dichloromethane, and then purified using a silicasolid-phase extraction (SPE) cartridge. The method was validated using pepper, sweet pepper, mandarin, hulled rice,soybean, and potato spiked with 0.02 or 0.2 mg/kg flutianil. The average recovery of flutianil was 76.5-108.0% with arelative standard deviation of less than 10%. The limit of detection and limit of quantification were 0.004 and 0.02 mg/kg, respectively. The result of recoveries and relative standard deviation were in line with Codex Alimentarius CommissionGuidelines (CAC/GL 40). These results show that the method developed in this study is appropriate for flutianilidentification and can be used to maintain the safety of agricultural products containing flutianil residues.
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KEYWORD
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flutianil, fungicide, GC-ECD, GC-MS, agricultural commodities
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