一些草药茶中的微塑料污染和人类风险评估: Türkiye
Ahmet Gökkaya1, Şule Güzel İzmi̇rli̇1
1Department of Biology, Faculty of Arts and Sciences, Recep Tayyip Erdoğan University, 53100, Rize, Türkiye.
概括
在包装的草本茶中普遍存在微塑料,所有品牌都显示出污染. 林茶和A品牌的MP含量最高,
科学领域:
- 环境科学
- 食品科学
- 毒理学
背景情况:
- 塑料污染是全球日益严重的环境问题.
- 在食品和饮料中越来越多地发现微塑料.
- 包装的草药茶是MP暴露的潜在来源.
研究的目的:
- 调查包装草药茶中微塑料污染的发生率和特征.
- 分析来自五个土耳其品牌的四种草药茶中的MP污染.
- 评估植物茶的MP污染因子 (MPCF) 和聚合物危害指数 (PHI).
主要方法:
- 分析了来自五个土耳其品牌 (A,B,C,D,E) 的20个包装草本茶样本.
- 使用显微镜识别和量化微塑料纤维.
- 微塑料聚合物的化学表征 (EVA,PET,PAN).
- 测量微塑料的大小和计算MPCF和PHI.
主要成果:
- 在所有测试的草药样本中检测到微塑料纤维.
- 品牌A和茶的微塑料颗粒数量最高.
- 微塑料的尺寸在35.67至604.87微米之间.
- 基于MPCF的草药显示出非常高的MP污染.
- 平均PHI值表明了与聚合物相关的重大危险.
结论:
- 包装中的草药茶是微塑料暴露的重要来源.
- MPs的化学成分包括EVA,PET和PAN.
- 消费者,尤其是女性,因食用草药茶而面临较高的微塑料负荷.
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