Determination of Emamectin Benzoate in Eel, Halibut, and Shrimp Using QuEChERS-EDTA and LC-MRM

Cho Ha Ra; Kim Dong Yoon; Lee Hyo Chun; Han Sang Beom; 한상범; Shin Ho-Chul; Choi Yong Seok

doi:10.5478/MSL.2018.9.4.100

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P-ISSN2233-4203
E-ISSN2093-8950
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P-ISSN 2233-4203
E-ISSN 2093-8950

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Vol.9, No.4

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Determination of Emamectin Benzoate in Eel, Halibut, and Shrimp Using QuEChERS-EDTA and LC-MRM

Mass Spectrometry Letters / Mass Spectrometry Letters, (P)2233-4203; (E)2093-8950

2018, v.9 no.4, pp.100-104

https://doi.org/10.5478/MSL.2018.9.4.100

Cho Ha Ra (Dankook University)
Kim Dong Yoon (Dankook University)
Lee Hyo Chun (Dankook University)
Han Sang Beom (Chung-Ang University)
Shin Ho-Chul (Konkuk University)
Choi Yong Seok (Dankook University)

Cho, H. R., Kim, D. Y., Lee, H. C., Han, S. B., Shin, H., & Choi, Y. S. (2018). Determination of Emamectin Benzoate in Eel, Halibut, and Shrimp Using QuEChERS-EDTA and LC-MRM. Mass Spectrometry Letters, 9(4), 100-104, https://doi.org/10.5478/MSL.2018.9.4.100

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Abstract

As a part of efforts to establish the positive list system (PLS) in South Korea, a method to determine residual ema- mectin benzoate (EB) in various aquatic products using QuEChERS-EDTA and LC-MRM was developed. The developed method was validated in the aspects of specificity, linearity (correlation coefficient of at least 0.996), sensitivity (the limit of detection and the lower limit of quantitation ≤ 5 ng/g), recovery (the recovery range of 87.4 and 96.2), and precision (the relative standard deviation of recovery between 0.9 and 13.5). Additionally, the validated method was successfully applied for monitor- ing EB contamination in eel, halibut, and shrimp collected from local food markets. To our knowledge, the present method is the first one to determine residual EB in various aquatic products at the level satisfying the PLS and could contribute to the estab- lishment of the PLS in South Korea.

keywords: Emamectin, Aquatic products, QuEChERS, EDTA, MRM, PLS

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