Residues and Risk Assessment of 13 Triazine Herbicides in Apostichopus japonicus
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Abstract:
A method for the determination of triazine herbicide residues in Apostichopus japonicus by ultra performance liquid chromatography tandem mass spectrometry was established. In order to investigate the situation of 13 triazine herbicide residues, food safety indexes and risk coefficient were used to evaluate the potential risk of triazine herbicide. The triazine herbicides of atrazine, prometryn and ametryn were detected in 57 samples. The highest detection rate was prometryn (77.2%), followed by atrazine (15.8%) and ametryn (8.77%). The maximum concentration of atrazine, prometryn and ametryn was 0.84 μg/kg, 54.4 μg/kg and 0.69 μg/kg, respectively. The detection ratio in August were significantly higher than those in September, October and November, which suggested that during the collected month, triazine herbicide had few influence on Apostichopus japonicus. According to the assessment of food safety indexes of 57 Apostichopus japonicus samples collected from six cities, the safety indexes of 13 analytes were less than 1, indicating Apostichopus japonicus were in safe and good condition. The risk coefficients of atrazine, prometryn and ametryn were 0.2, 0.38 and 0.2, all less than 1.5, which proved that the three analytes were at low risk group. Therefore, Apostichopus japonicus from six cities was at low risk on triazine herbicides and safe to eat.
