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KMID : 1007520140230062097
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Food Science and Biotechnology
2014 Volume.23 No. 6 p.2097 ~ p.2101
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A Simple HPLC-UVD Method for Detection of Etofenprox in Green Tea Using Sample Hydration
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Kim Sung-Woo
A. M. Abd El-Aty
Lee Young-Jun
Hong Su-Myeong
Seo Young-Mi
Shim Jae-Han
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Abstract
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Residue levels were estimated using HPLCUV detection. Samples were hydrated and extracted using acetonitrile. Analytical linearity in the range of 0.02 to 2.0 mg/kg was excellent with a determination coefficient (R2) of 1.0. Recovery at levels of 0.2 and 1.0 mg/kg ranged from 89.9 to 94.6% with a relative standard deviation <5%. Sufficient sensitivity was achieved. The limits of detection and quantification were 0.006 and 0.02 mg/kg, respectively. The method was successfully applied to analysis of field samples. This method was effective and can be used for routine analysis of etofenprox in tea samples at low concentrations.
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KEYWORD
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Etofenprox, green tea, analysis, liquid chromatography, field incurred sample
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