从包装牛奶中检测微塑料:估计,诊断可能的来源,评估饮食暴露,污染负载和风险评估
1School of Doctoral Studies & Research (SDSR), National Forensic Sciences University, Sector 9, Near Police Bhawan, Gandhinagar, Gujarat, India.
概括
印度包装牛奶中的微塑料污染比农场新鲜牛奶高,对健康构成重大风险,特别是对婴儿. 改善包装和质量控制至关重要.
科学领域:
- 环境科学 环境科学
- 食品安全 食品安全
- 毒理学 毒理学 毒理学
背景情况:
- 食品中的微塑料污染是一个日益严重的健康问题.
- 关于印度商业包装牛奶中微塑料含量的数据有限.
研究的目的:
- 调查印度加工包装牛奶 (PPM) 和农场新鲜牛奶 (FFM) 中的微塑料污染.
- 识别潜在的微塑料污染来源和途径.
- 评估相关的健康风险,特别是对于婴儿等弱势群体.
主要方法:
- 在FFM和PPM样本中量化微塑料.
- 微塑料聚合物类型的识别.
- 估计每天通过牛奶消费摄入的微塑料.
主要成果:
- 与FFM (17.78颗粒/L) 相比,PPM的微塑性污染 (37.7871.11颗粒/L) 显著更高.
- 来自包装的低密度聚乙烯 (LDPE) 是PPM中占主导地位的聚合物;FFM污染可能源于料或奶制设备.
- 每天的微塑料摄入量从PPM (1.08颗粒/天) 显著高于FFM (0.34颗粒/天).
结论:
- 在印度,加工的包装牛奶是微塑料暴露的重要来源.
- 婴儿的风险更高,因为他们从牛奶中增加了微塑料的摄入量.
- 迫切需要加强包装材料和严格的乳制品加工质量控制,以减轻微塑料污染.
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