用ICP-MS分析来自马来西亚的商业大米:潜在健康风险评估
Raneesha Navaretnam1, Hadirah Nasuha Hassan1, Noorain Mohd Isa1,2
1Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.
概括
马来西亚的米饭消费对健康构成风险,原因是有毒金属 (如和) 的含量. 米中高水平的,,和对成年人构成显著的致癌风险,超过安全限值.
科学领域:
- 食品科学与技术 食品科学与技术
- 环境健康 环境健康
- 分析化学 分析化学
背景情况:
- 在全球范围内,大米是主食,但它可以从环境中积累有毒和微量金属.
- 在大米中过度消费这些金属化物对消费者造成重大健康危害.
研究的目的:
- 为了确定各种马来西亚大米类型中有毒和必需金属化物的度.
- 评估通过食用大米接触金属化物所带来的潜在人类健康风险.
主要方法:
- 使用USEPA 3050B方法对大米样本进行酸性消化.
- 通过感应合等离子体质谱法 (ICP-MS) 分析金属的度.
主要成果:
- 铁 (Fe) 是最丰富的金属化物,其次是铜 (Cu), (Cr), (Ni), (As), (Se), (Cd) 和 (Co).
- 33%的样品超过了 (As) 的建议限制;没有样品超过了 (Cd) 的限制.
- 非致癌风险主要与As和Cr有关;来自As,Cr,Cd和Ni的致癌风险超过了安全值.
结论:
- 在马来西亚,大米消费是有毒金属化物显著暴露的途径.
- 米中某些金属化物含量较高,对健康构成重大非致癌和致癌风险.
- 调查结果为食品安全当局提供有关大米金属化物污染的信息,以解决粮食安全问题.
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