Evaluation of Selected Metals Contents of Brassica oleraceae (Cabbage), Solanum tuberosum (Irish Potatoes) and Daucus carota (Carrot) Grown at Irrigation Farms of Jos, Nigeria

European Journal of Nutrition & Food Safety Pub Date : 2024-01-20 DOI:10.9734/ejnfs/2024/v16i11377

S. A. Olomu, J. Habila, R. E. Musa, O. W. Ajishe, E. Ochube, S. Gazuwa

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Abstract

Aim: This study assessed levels of Cd, Pb, Fe, Zn and As in Brassica oleraceae (cabbage), Solanum tuberosum (Irish potatoes) and Daucus carota (carrot). Six samples were collected from each of the two irrigation farms. Samples were analysed using inductively coupled plasma mass spectrometry (ICP-MS). Study Design: Six (6) samples of each vegetables, Brassica oleracea (cabbage), Solanum tuberosum (Irish potatoes) and Daucus carota (carrot) were obtained from irrigation farms situated at Lamingo and Russau. On each farm, 2 samples were collected thereby giving a total sample size of 36. Place and Duration of Study: Department of Biochemistry Research Laboratory between February and April 2021. Methods: Turkey-Kramer multiple comparison tests in a one-way analysis of variance was used to analyse the data obtained. Results: Samples of cabbage from Russau showed mean values for Zn, Pb and Fe levels thus: 32.80±0.62, 0.27±0.02, and 20±0.06 respectively. Samples from Lamingo had mean levels of Zn, Pb and Fe thus: 23.30±0.26, 0.07±0.02, and 0.08±0.03 in that order. The concentrations of Pb, Zn were above standard values (P=0.05) but Fe was not significant. The machine did not detect arsenic (As). Samples of cabbage from Russau contained higher levels of all the metals than those from Lamingo. In Irish potatoes, samples from Lamingo had mean levels of Pb, Cd, Zn and Fe as follows: 0.188±0.017, 0.36±0.037 16.105±4.16 and 0.082 respectively. The levels were significantly above (P=.05) standard values. In Carrots, levels of the metals in samples from Lamingo were 0.15±0.015, 0.14±0.015 and 0.88±0.018 respectively for Fe, Cd and Pb. Similarly, samples from Russau had 0.14±0.016, 0.20±0.022 and 1.04±0.031 respectively for Fe, Cd and Pb. Conclusion: Samples, especially those from Russau, contain zinc but they also contain cadmium, lead and iron which can predispose to their toxic effects.

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尼日利亚乔斯灌溉农场种植的甘蓝（卷心菜）、爱尔兰马铃薯（Solanum tuberosum）和胡萝卜（Daucus carota）的特定金属含量评价

目的：本研究评估了甘蓝（卷心菜）、爱尔兰马铃薯（Solanum tuberosum）和胡萝卜（Daucus carota）中镉、铅、铁、锌和砷的含量。两个灌溉农场各采集了六个样本。样品采用电感耦合等离子体质谱法 (ICP-MS) 进行分析。研究设计：从位于拉明戈和鲁绍的灌溉农场分别采集了六 (6) 份蔬菜样本，包括甘蓝（卷心菜）、爱尔兰马铃薯（Solanum tuberosum）和胡萝卜（Daucus carota）。每个农场采集 2 个样本，因此样本总数为 36 个。研究地点和时间：生物化学系研究实验室，2021 年 2 月至 4 月。研究方法采用单因素方差分析中的土耳其-克拉默多重比较试验来分析所获得的数据。结果来自 Russau 的卷心菜样本中锌、铅和铁含量的平均值为分别为 32.80±0.62、0.27±0.02 和 20±0.06。来自 Lamingo 的样品中锌、铅和铁的平均含量分别为：23.30±0.26、0.27±0.02 和 20±0.06：依次为 23.30±0.26、0.07±0.02 和 0.08±0.03。铅、锌的浓度高于标准值（P=0.05），但铁的浓度并不显著。机器没有检测到砷（As）。来自鲁绍的卷心菜样本中所有金属的含量都高于来自拉明戈的样本。在爱尔兰马铃薯中，来自 Lamingo 的样本中铅、镉、锌和铁的平均含量如下：分别为 0.188±0.017、0.36±0.037、16.105±4.16 和 0.082。含量明显高于（P=0.05）标准值。在胡萝卜中，拉明戈样品中铁、镉和铅的含量分别为 0.15±0.015、0.14±0.015 和 0.88±0.018。同样，Russau 样品中铁、镉和铅的含量分别为 0.14±0.016、0.20±0.022 和 1.04±0.031。结论样本，尤其是来自 Russau 的样本，含有锌，但也含有镉、铅和铁，这可能会导致其毒性作用。

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European Journal of Nutrition & Food Safety

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