Department of Chemistry, Kano University of Science and Technology, Wudil, Kano State, Nigeria.
Department of Science Laboratory Technology, College of Science and Technology Hussaini Adamu Federal Polytechnic Kazaure, Kazaure, Jigawa State, Nigeria.
Environ Monit Assess. 2022 Aug 20;194(10):699. doi: 10.1007/s10661-022-10360-w.
Human exposure to heavy metal toxicity has been linked to the consumption of vegetables grown on polluted soils. The goal of this study was to see how much heavy metals accumulated in the soil, irrigation water, and vegetative sections of lettuce and cabbage planted in Wawan Rafi, Jigawa State, Nigeria. The concentrations of potentially harmful metals in soil, water, and crops are in the order Mn > Pb > Zn > Ni > Cd > Cu, except for lettuce, where Pb was found to be greater than Mn. Furthermore, the majority of the hazardous elements analyzed were below the allowed limit. Nevertheless, the presence of high levels of metals revealed evidence of contamination, which was attributed to human activities. The potential ecological risk index values for lettuce and cabbage are 86.488 and 225.463, respectively, and both are considered safe because the RI values for both lettuce and cabbage are below or within the range of 200 ≤ RI ˂ 400. This implies consumption of these vegetables may not pose a high health risk to the local public when individual heavy metal is considered, but the risk could multiply when all of the heavy metals are considered together.
人类暴露于重金属毒性与食用受污染土壤上种植的蔬菜有关。本研究的目的是观察重金属在尼日利亚吉加瓦州瓦万拉菲种植的生菜和白菜的土壤、灌溉水和植物部分中的积累程度。土壤、水和作物中潜在有害金属的浓度顺序为 Mn > Pb > Zn > Ni > Cd > Cu，但生菜中 Pb 的含量大于 Mn。此外，分析的大多数有害元素都低于允许的限度。然而，高浓度金属的存在表明存在污染，这归因于人类活动。生菜和白菜的潜在生态风险指数值分别为 86.488 和 225.463，两者都被认为是安全的，因为生菜和白菜的 RI 值都低于或在 200 ≤ RI <400 的范围内。这意味着当考虑单个重金属时，食用这些蔬菜可能不会对当地公众造成高健康风险，但当考虑所有重金属时，风险可能会增加。
