外卖容器作为纳米和微塑料储存器:大学生饮食驱动的肠道失调
Chao Feng1, Qian Zhang1, Longmei Wang1
1Department of Toxicology, School of Public Health, Shanxi Medical University, Jinzhong, 030600, Shanxi, China.
Environmental pollution (Barking, Essex : 1987)
|August 14, 2025
概括
微塑料和纳米塑料 (MNP) 存在于所有人类身上,塑料包装与肠道微生物群的变化有关. 这项研究显示,人类首次有纳米塑料特异性肠道失生症的证据,强调饮食塑料是主要暴露源.
科学领域:
- 环境科学 环境科学
- 微生物学 微生物学
- 毒理学 毒理学 毒理学
背景情况:
- 微塑料和纳米塑料 (MNP) 构成全球生态系统和健康风险.
- 缺乏关于纳米塑料 (NP) 对肠道微生物群的特定影响的人类数据.
- 大学学生是MNP暴露的高风险人群.
研究的目的:
- 研究大学生MNP暴露特征.
- 评估MNP暴露与肠道微生物群失调之间的关联.
- 确定人类中MNP的主要暴露途径.
主要方法:
- 来自24名大学生的便样本通过拉曼光谱和微FTIR进行分析,用于MNP特征.
- 16S rRNA基因测序用于识别肠道微生物群的分类学变化.
- 用于评估潜在的MNP暴露路径的调查问卷.
主要成果:
- 全球检测到的微塑料 (MPs) (170.86269.33颗粒/100g),主要是聚乙烯四甲酸盐 (PET) 纤维.
- 经常食用塑料包装食品的消费者显示MP,PET,聚乙烯 (PE) 和纤维摄入量较高.
- 肠道微生物群分析显示了分类学变化,NP阴性个体与NP阳性个体相比显示出不同的微生物特征.
结论:
- 提供了第一个人类证据,将纳米塑料暴露与肠道失调症联系起来.
- 饮食塑料包装被确定为一个重要的MNP暴露来源.
- 强调需要对一次性塑料包装,特别是针对年轻人的塑料包装制定更严格的规定.
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