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Determination of eugenol in fish and shrimp muscle tissue by stable isotope dilution assay and solid-phase extraction coupled gas chromatography-triple quadrupole mass spectrometry

文献类型： 外文期刊

作者： Li, Jincheng 1 ; Liu, Huan 1 ; Wang, Chaoying 1 ; Wu, Lidong 1 ; Liu, Dan 2 ;

作者机构： 1.Chinese Acad Fishery Sci, 150 Qingta,Yongding Rd, Beijing 100141, Peoples R China

2.Beijing Agr Univ, Beinong Rd 7, Beijing 102206, Peoples R China

关键词： Gas chromatography-triple quadrupole mass spectrometry; Stable isotope dilution assay; Eugenol; Fish; Shrimp; Muscle tissue

期刊名称：ANALYTICAL AND BIOANALYTICAL CHEMISTRY （ 影响因子：4.142； 五年影响因子：3.863 ）

ISSN： 1618-2642

年卷期： 2016 年 408 卷 24 期

页码：

收录情况： SCI

摘要： In this study, we developed a new method for the accurate quantification of eugenol in fish samples based on stable isotope dilution assay (SIDA) and solid-phase extraction (SPE) coupled gas chromatography-triple quadrupole mass spectrometry (SIDA-SPE-GC-MS/MS). Due to the difference of matrix effect (ME), it was difficult to determine accurately the level of eugenol residue in different fish and shrimp samples based on external standard calibration method. SIDA was applied to compensate matrix effect (ME) that eugenol-d(3) was used as internal standard (IS). Freshwater fish (carp, channel catfish), marine fish (turbot), and shrimp (Penaeus vannawei) were used for the method validation. The average recoveries of eugenol were in the range of 94.7 to 109.78 % when the spiking levels were 10, 50, and 200 mu g kg(-1). The inter-day and intra-day precisions were in the range of 1.15-8.19 and 0.71-8.45 %. The limit of detection (LOD) and the limit of quantification (LOQ) were approximately 2.5 and 5.0 mu g kg(-1). This method was applied to the real fish samples assay obtained from aquaculture markets in Beijing, China. Eugenol residue was found in two fish samples with the levels at 6.2 and 7.7 mu g kg(-1), respectively.

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