THE HEAVY METALS CONNTENT IN VEGETABLES FROM MIDDLE SPIŠ AREA

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February 2014, vol. 3, special issue 3 (Food Sciences)
pages: 277-280
Article type: Food Sciences of Food Sciences
Abstract: In the middle area of Spiš, it is significantly burden by heavy metals what is documented by radical content of Hg in soil from Rudňany 58.583645 mg.kg -1. On the content of heavy metals in vegetables grown in this soil it has the same effect. 61.5% samples exceeded the limit value of heavy metals. The most dangerous vegetables were Lactuca sativa L. The limit value was exceed in all determine heavy metals - Hg, Cd, Pb and Cu in this vegetables. In the case of Hg, the limit value exceed 93.86 times. For relatively safety is growing of Pisum sativum L., where there was no exceed any limits values. The root vegetables are dangerous, where the sample of Raphanus sativus L. exceed 6.71978 times the limit values for Pb although the content of lead in the soil was under hygienic limits. Transfer of heavy metals into consume parts of vegetables was no limited by high content of humus into soil. Transfer of heavy metals into consume parts of vegetables was no limited by weakly alkaline soil reaction. These factors are considered for factors limited mobility and input heavy metals into plants. We determined heavy metals by AAS method on a Varian 240 FS and method AMA 254.
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