Rapid Determination of Eugenol Residues in Freshwater Fish by GC-MS
Objective:To establish a rapid and large-scale detection method for eugenol compounds in freshwater fish based on gas chromatography-mass spectrometry(GC-MS).Determination and analysis of residual eugenol compounds in 200 batches of freshwater fish samples collected,including 16 species such as black fish,sea bass,and crucian carp.Method:Optimize sample pretreatment methods and gas chromatography conditions.Result:The six eugenol compounds showed a good linear relationship between 0.02 and 0.20 mg·L-1,with correlation coefficients r2 greater than 0.999;the recovery rates of six eugenol compounds ranged from 82.4%to 106.0%,with relative standard deviations(n=6)of 1.6%to 9.2%;in the detection of residual eugenol compounds in 200 batches of freshwater fish samples,the detection rates of silver carp,sea bass,and grass carp were relatively high,all exceeding 50%.Conclusion:This method is simple to operate,has high recovery rate,can meet the requirements for qualitative detection and quantitative analysis of eugenol compounds in large quantities of aquatic products,it provides technical support for the sustainable development of the aquatic industry and food safety supervision.
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