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Heavy metals concentration in conventionally and organically grown vegetables

机译：重金属在传统和浓度有机蔬菜

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摘要

Consumers' awareness and concerns regarding health and environmental issues associated with intensive and highly industrialised agriculture is the main cause of the constantly growing interest in organic farming. Most consumers believe that organically grown vegetables are healthier, more nutritious and of better quality. In the current study, samples of commonly used vegetable and soil were collected from organic and conventional farms. Using Atomic absorption spectroscopy, the plant samples were analysed and tested for concentration of heavy metals (Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, and Zn). A chemical analysis of collected samples showed that there are significant differences between vegetables cultivated in the two growing systems. Generally, conventionally grown vegetables tend to contain higher concentrations of some elements; however the results are not conclusive. It was also found that celery and parsley leaves have a tendency to assimilate more heavy metals compared to other vegetables.
机译：消费者的意识和对健康的担忧和环境问题联系在一起密集的和高度工业化农业不断增长的主要原因是什么有机农业的兴趣。相信有机蔬菜更健康,更有营养和更好的质量。在最近的研究中,常用的样本从有机蔬菜和土壤收集和传统的农场。光谱学、植物样品进行分析检测重金属的浓度(Cd,有限公司铬、铜、铁、锰、镍、铅、锌)。分析收集到的样本显示,显著区别是蔬菜吗培养两个系统。常规种植的蔬菜往往含有更高的一些元素的浓度;结果并不是决定性的。芹菜和香菜叶子的倾向吸收更多的重金属与其他蔬菜。

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