废水灌大米中的积和人类暴露的风险
Ilker Ugulu1, Zafar Iqbal Khan2, Mehwish Aslam2
1Department of Special Education, Usak University, Usak, Turkey.
概括
用废水灌的水中的 (Mo) 含量很低,不构成重大健康风险. 这项研究强调了尽管灌来源不同,但大米消费的安全性,并强调了常规监测.
科学领域:
- 环境化学环境化学
- 食品安全 食品安全
- 微量元素分析 微量元素分析
背景情况:
- (Mo) 是一种必不可少的微量元素,但过度积累可能会造成健康风险.
- 米是一种主食,其种植通常涉及用各种水源灌,包括废水.
- 了解大米中Mo的积累以及相关的健康影响对于食品安全至关重要.
研究的目的:
- 为了评估用管井水灌的四种水品种中的积量,与混合废水相比.
- 为了评估不同年龄组的潜在的非致癌健康风险,由于米饭消费中的Mo暴露.
- 在不同的灌条件下,确定土壤植物系统内的Mo转移和丰富.
主要方法:
- 使用火焰原子吸收光谱法 (AAS) 分析米粒和灌水中的 (Mo) 度.
- 丰富和转移指数的计算,以评估移动性.
- 确定针对不同年龄组的健康风险评估的目标危险系数 (THQ).
主要成果:
- 在米粒中的度很低,从0.00073到0.012毫克/公斤不等.
- 混合废水灌导致与管井水相比,大米和血清中的Mo度更高.
- 丰富和转移指数表明土壤植物系统中的Mo流动性较弱.
- 所有被评估的年龄组均显示目标危险系数 (THQ) 低于1,表明没有显著的非致癌性健康风险.
结论:
- 由于含量低,即使用混合废水灌大米的消费也不会带来明显的非致癌健康风险.
- 虽然混合废水灌增加了Mo的暴露,但这并没有转化为确定的不良健康影响.
- 建议定期监测米中的灌水和含量,以确保持续的食品安全.
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