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在田间条件下葡萄中deltamethrin,emamectin benzoate和hexythiazox的消散行为

Tarık Balkan¹, Adem Yağcı², Kenan Kara¹

¹Department of Plant Protection, Faculty of Agriculture, Tokat Gaziosmanpaşa University, Tokat, Türkiye.

Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes

|January 30, 2024

概括

这项研究使用LC-MS/MS分析了葡萄中农药消散的情况. 德尔塔梅斯林,埃马克丁酸和赫西西亚佐克斯残留量低于安全限值,这表明葡萄的安全应用.

科学领域:

农业化学农业化学
环境科学环境科学
食品安全食品安全

背景情况:

农药残留物分析对于确保食品安全和遵守法规至关重要.
了解农药消散动力学可以告知收获前的间隔和安全的应用实践.

研究的目的:

为了评估葡萄中deltamethrin,emamectin benzoate和hexythiazox的消散动力学.
验证一种敏感的分析方法,用于葡萄母体中的农药量化.

主要方法:

验证了QuEChERS (快速,轻松,廉价,坚固和安全) 方法用于农药提取.
采用液体染色学-并联质谱法 (LC-MS/MS) 进行精确的农药测定.
在应用后的不同时间点确定农药半衰期和残留量.

主要成果:

奎瑟斯方法表现出极好的线性 (R2>0.998) 和高回收率 (93.23%).
量化限值 (LOQ) 低于欧盟的最大残留量限值 (MRL).
杀虫剂的半衰期在2.62至8.15天之间,在收获前的间隔内,残留物低于MRL.

结论:

经过验证的QuEChERS-LC-MS/MS方法适合在葡萄中准确量化农药.
在葡萄中使用德尔塔米特林,埃玛麦丁酸和赫西西亚佐克斯被认为是安全的,遵守已确定的MRL.
这些发现支持葡萄栽培中的安全害虫管理实践,确保消费者的健康.

关键词:

降解速度的降解速度在 LCMS/MS 中使用.葡萄种植是一种葡萄种植.方法验证方法的验证方法.杀虫剂残留物的残留物

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