在水果和蔬菜中使用Maneb真菌杀菌剂的环保和新型固体液相微提取方法
Fernanda C O L Martins1, Wanessa R Melchert2
1Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, SP 13400-970, Brazil.
Food research international (Ottawa, Ont.)
|May 31, 2023
概括
一种新的固体液相微提取 (SLPME) 方法有效地从食品样本中提取菌剂. 这种环保技术提供了可靠的检测,确保了消费者的食品安全.
科学领域:
- 分析化学 分析化学
- 环境科学 环境科学
- 食品安全 食品安全
背景情况:
- 与其他农药相比,二甲酸盐在农业中被广泛使用,因为其毒性较低.
- 马尼布 (Maneb) 是一种常见的二甲基酸杀菌剂,用于各种水果和蔬菜.
- 大量摄入maneb对人类健康构成风险,需要准确的检测方法.
研究的目的:
- 开发和验证固体-液体相微提取 (SLPME) 方法,用于手臂提取.
- 在食品样本中使用流量注射分析-火焰吸收原子光谱 (FIA-FAAS) 确定maneb.
- 为机动检测提供一种环保和高效的分析方法.
主要方法:
- 固体-液体相微提取 (SLPME) 用于样品的准备.
- 提取使用了1.00 × 10−3 mol L−1 EDTA溶液.
- 使用流量注射分析-火焰吸收原子光谱 (FIA-FAAS) 进行了Maneb的确定.
主要成果:
- 分析曲线显示线性从0.9到20.0μmol L−1 maneb.
- 获得了良好的重复性 (4.07%) 和可重复性 (3.39%).
- 获得了高恢复率 (80.85%至106.51%) 和敏感的检测极限.
结论:
- 开发的SLPME方法有效地从食品矩阵中提取maneb.
- 这种方法为快速机动分析提供了一个环保的替代方案.
- 该技术确保了可靠的量化,有助于食品安全监测.
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