The fate of trace elements (like Ca, Fe, Al, Pb, K, and Cu) in various pulses (mash, mung, lentils and red kidney beans) of Pakistan has been studied. Samples were collected from two districts (Mansehra and Rawalpindi) and analyzed by wet acid digestion method using atomic absorption spectrophotometry. Experimental results show that the intensity of heavy metal accumulation in plants depends upon the type of the soil, the species of plants, the physicochemical properties of heavy metals, and their content in the soil. The obtained values were compared with the World Health Organization (WHO) standards for food quality. The grains from District Mansehra contained greater amount of trace metals as compared to those collected from District Rawalpindi. However, those values did not exceed the upper limits described by the WHO in nearly all the cases. Based on these findings, the consumption of pulses in larger amounts may easily be recommended.

译文

研究了巴基斯坦各种脉冲 (mash,mung,小扁豆和红芸豆) 中微量元素 (如Ca,Fe,Al,Pb,K和Cu) 的命运。从两个地区 (Mansehra和Rawalpindi) 收集样品,并使用原子吸收分光光度法通过湿酸消解法进行分析。实验结果表明,植物中重金属积累的强度取决于土壤的类型,植物的种类,重金属的理化性质及其在土壤中的含量。将获得的值与食品质量的世卫组织标准进行比较。与从拉瓦尔品第地区收集的谷物相比,曼塞拉地区的谷物含有更多的痕量金属。然而,在几乎所有情况下,这些值都没有超过世卫组织描述的上限。基于这些发现,可以很容易地建议大量消耗脉冲。

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