在pH值可切换的旋辅助液体-液体微提取过程中,使用疏水性浸泡溶剂从水,果汁和牛奶样本中提取甲酸
Nazir Fattahi1, Beshare Hashemi2, Parvin Zohrabi1
1Research Center for Environmental Determinants of Health (RCEDH), Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
Food chemistry
|November 28, 2025
概括
本研究介绍了可切换的疏水性欧溶剂 (HESs),用于可持续的甲酸 (PAE) 提取. 甲基醇:乙酸混合物有效地从各种矩阵中提取PAE,提供了一个更绿色的分析替代品.
科学领域:
- 分析化学 分析化学
- 环境化学环境化学
- 绿色化学 绿色化学
背景情况:
- 甲酸 (PAE) 是一种具有潜在健康风险的常见塑料添加剂.
- 监测PAE在环境和食品样本中的积累至关重要.
- 现有的提取方法可能缺乏可持续性和效率.
研究的目的:
- 开发一种可持续和高效的方法来提取PAE.
- 调查可切换的疏水性欧溶剂 (HESs) 的使用,以确定PAE.
- 评估拟议方法的环境影响和分析性能.
主要方法:
- 对各种HES的选,确定一个硫醇:乙酸混合物是最优的.
- 使用Box-Behnken设计优化提取条件.
- 在水,果汁和牛奶样本中分析PAE.
- 量子化学用于HES-PAE相互作用分析.
- 使用绿色度指标工具 (AGREE,AGREEprep) 进行环境影响评估.
主要成果:
- 乙醇:乙酸HES从各种矩阵中实现了高PAE恢复率 (91%-108%).
- 观察到线性校准范围为1-300μg/L,检测极限较低 (0.3-1.0μg/L).
- 丰富系数在138-152之间,表明有效的度.
- 该方法证明了有利的环境特征.
结论:
- 可切换的疏水性浸泡溶剂为PAE提取提供了一种可持续和有效的方法.
- 开发的方法适用于各种复杂样本中PAE的常规监测.
- 这种更绿色的分析技术为传统方法提供了可行的替代方案.
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