西兰花中3种杀菌剂的残留动态与风险评估
摘要：
农药残留是影响我国蔬菜质量安全的重要因素,文章以西兰花为研究对象,开展了苯醚甲环唑、戊唑醇、腈菌唑等3种三唑类农药在西兰花中的残留动态试验。建立了GC-MS测定西兰花中3种三唑类农药残留的方法,并开展了在西兰花中残留的膳食暴露风险评估。结果表明,根据现有的膳食摄入数据计算,西兰花生产中使用苯醚甲环唑和腈菌唑应控制使用量,并建议设置28 d以上的安全间隔期;建议对西兰花生产使用戊唑醇的风险进行进一步评估。
关键词: 西兰花, 农药残留, 三唑类杀菌剂, 风险评估, 膳食摄入, 安全间隔期
Abstract:
Pesticide residue is the key impact factor that affect vegetable quality and safety. In this article, broccoli was studied and the residue dynamic trial of three triazole pesticides including difenoconazole, tebuconazole and myclobutanil was carried out. The GC-MS method was established to detect triazole pesticides residue and dietary intake riskassessment of the three pesticides was carried out. The results showed that, according to the dietary intake data, the usage of difenoconazole and myclobutanil should be controlled and post-harvest interval should be longer than 28 days, application of tebuconazole in broccoli should be assessed further.
Key words: broccoli, pesticide residue, triazole fungicide, risk assessment, dietary intake, preharvest-interval
中图分类号:
S481.8
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