开发一种LC-MS/MS方法,用于确定人类尿液中的多种真菌毒素
Mobing Chen1,2, Wei Liu2, Ping Xiang2
1School of Pharmacy, China Pharmaceutical University, Nanjing, P. R. China.
概括
一种新方法准确地检测到人体尿液中的17种真菌毒素,在志愿者样本中发现了Deoxynivalenol和Zearalenone. 这项研究推进了对人类菌根毒素暴露的评估.
科学领域:
- 分析化学 分析化学
- 毒理学 毒理学 毒理学
- 环境健康 环境健康
背景情况:
- 菌毒素是真菌产生的有毒二次代谢物,可以污染食物并对人类健康构成风险.
- 评估人类对真菌毒素的暴露对于了解健康影响和实施控制措施至关重要.
- 敏感和可靠的分析方法是必要的,用于生物监测毒素暴露.
研究的目的:
- 开发和验证一种灵敏的液体染色学-并联质谱法 (LC-MS/MS) 方法,用于同时确定人体尿液中的17种真菌毒素.
- 应用验证的方法来调查人类志愿者队列中的真菌毒素暴露.
主要方法:
- 为分析17种真菌毒素,开发了一种敏感的LC-MS/MS方法.
- 采用乙烯酸:乙二 (7:1) 的两步液体-液体提取方法用于样本制备.
- 方法验证包括对量化极限 (LOQ),准确性和精度的评估.
主要成果:
- 该方法实现了所有17种真菌毒素的LOQ,范围为0.1至1ng/mL.
- 一天内准确率为94-106%,精度为1-12%. 日间准确率为95-105%,精度为2-8%.
- 在24%的样本中检测到脱氧尼瓦伦醇 (DON) (0.97-9.88 ng/mL) 和在5%的样本中检测到泽拉伦 (ZEN) (0.13-1.11 ng/mL) 来自42名志愿者.
结论:
- 开发的LC-MS/MS方法对人类尿液中17种真菌毒素的确定具有敏感性,准确性和精确性.
- 该方法适用于人类群体中真菌毒素暴露的生物监测.
- 该研究表明,志愿者的尿液中存在DON和ZEN,这突显了持续监测菌毒素暴露的必要性.
关键词:
这是LC-MS/MS.非洲毒素B1是什么?脱氧尼瓦伦诺 (deoxynivalenolenol) 是一种除氧剂.菌类毒素 (mycotoxin) 是一种有毒的物质.尿液 尿液 尿液没有一个Zearalenone更多相关视频
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