美食桌面盐:矿物成分的对决
Eleonora Di Salvo1, Roberta Tardugno2, Vincenzo Nava1
1Departement of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98168 Messina, Italy.
Toxics
|August 25, 2023
概括
不精制的食用盐含有不同的必需和有毒的微量元素. 在所有测试盐中,的含量超过了安全水平,需要进一步的健康监测.
科学领域:
- 食品科学 食品科学 食品科学
- 分析化学 分析化学
- 环境健康 环境健康
背景情况:
- 专业食盐正在作为利基美食产品获得全球需求.
- 不精炼盐可能含有潜在有害或有益的微量元素.
- 了解矿物质含量对于消费者健康和安全至关重要.
研究的目的:
- 为了分析12种矿物元素在10种商用食盐中的度.
- 根据盐类型和来源来评估矿物质含量的变化.
- 评估检测到的矿物质含量对健康的潜在影响.
主要方法:
- 诱导合等离子体质谱法 (ICP-MS) 用于元素分析.
- 热分解合并-原子吸收光谱法 (TDA-AAS) 也被使用.
- 分析了来自意大利南部的十种不同的盐品种.
主要成果:
- 矿物元素度因盐类型和地理来源而异.
- (Co), (Cr),铜 (Cu), (Hg), (Pb) 和 (Se) 的含量都在可以容忍的范围内.
- (Al), (Ca),铁 (Fe), (Mn), (Ni) 和 (Zn) 在样本之间显示出显著的差异.
- 波斯蓝和大西洋灰盐的铁 (Fe) 和 (Zn) 含量很高.
- 波斯蓝色和烟盐的 (Ni) 含量很高.
- 在所有分析的盐样本中, (Pb) 超过了允许的最大含量.
结论:
- 盐的矿物成分是高度可变的,受来源和类型的影响.
- 虽然一些元素如Fe和Zn在特定盐中可能会带来好处,但其他元素如Ni和Pb则会带来风险.
- 所有样本中 (Pb) 含量升高突显出严重的公共卫生问题.
- 建议持续监测食盐中的矿物质含量,以确保消费者安全.
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