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Published on: February 6, 2019
基于预处理的松花粉的分散固相提取方法,用于敏感的UPLC-MS/MS测定芝麻油中的13种异环胺
Baocheng Ji1, Yanxin Wang2, Li Ma2
1College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, China; Key Laboratory of Cold Chain Food Processing and Safety Control (Zhengzhou University of Light Industry), Ministry of Education, Zhengzhou, China; Henan Key Laboratory of Cold Chain Food Quality and Safety Control, Zhengzhou University of Light Industry, Zhengzhou, China; Henan Province Engineering Research Center of Meat Precision Processing and Quality Safety Control, Zhengzhou, China.
使用松花粉和超高性能液体染色学-并联质谱学的新方法有效量化了芝麻油中的13种异环胺 (HCAs). 这种方法是快速的,具有成本效益,并最大限度地减少了用于敏感食品分析的溶剂使用.
科学领域:
- 分析化学 分析化学
- 食品化学 食品化学
- 环境科学 环境科学
背景情况:
- 异环胺 (HCAs) 是一种在食品中发现的化合物,包括芝麻油,具有潜在的健康影响.
- 准确和敏感的HCA量化对于食品安全和质量评估至关重要.
- 现有的HCA分析方法可能耗时,复杂,并且需要大量使用有机溶剂.
研究的目的:
- 开发一种快速,方便和高效的方法,以敏感量化芝麻油中的13 HCA.
- 为了优化开发的分散固相提取 (d-SPE) 方法的关键参数.
- 在复杂的食品矩阵中验证HCA分析的拟议方法的分析性能.
主要方法:
- 开发一种分散固相提取 (d-SPE) 技术,使用预处理的松花粉作为吸附剂.
- 将d-SPE方法与超高性能液体染色学-并联质谱学 (UPLC-MS/MS) 集成,用于敏感的检测和量化.
- 系统地优化d-SPE关键参数,包括吸附剂类型和剂量,吸附/脱离条件和溶剂体积.
主要成果:
- 优化的方法显示了所有13个HCA的优异线性 (R2 ≥ 0.998).
- 在HCA量化方面,获得了高回收率 (64.2%-99.4%) 和可接受的精度 (RSD ≤10.4%).
- 获得了低检测值 (0.02-0.83μg/kg) 和量化值 (0.07-2.70μg/kg),使敏感分析成为可能.
结论:
- 开发的UPLC-MS/MS方法与基于松花粉的d-SPE相结合,为芝麻油中的HCA分析提供了快速,简单和具有成本效益的方法.
- 该方法显著降低了有机溶剂的消耗,与绿色化学原则保持一致.
- 这种方法显示出各种复杂的食品矩阵中HCA的常规分析的巨大潜力,增强了食品安全监测.
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