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Revista de Chimie (Rev. Chim.), Year 2016, Volume 67, Issue 1,



Lavinia Madalina Micu, Doru I. Petanec, Maria Dumitrela Iosub-Ciur, Sorin Andrian, Ramona Amina Popovici, Anca Porumb

The Heavy Metals Content in Leaves of the Forest Fruits (Hippophae rhamnoides and Rubus fruticosus) from the Tailings Dumps Mining

Abstract:

In almost all areas of the world where there is a mining practice, this activity has led in time to a formation of tailings/sterile dumps, as a result of copper ore preparation by flotation. Prolonged exposure of plants to high concentrations of heavy metals within the sterile determine their accumulation in quantities that can affect plant metabolism and by trophic transfer, it will be a potential danger to the consumers” health. The purpose of this research was to determine the influence of tailings on bioaccumulation of potentially toxic metals in leaves of products of an eco and health importance (sea-buckthorn and blackberry), and econometric modeling data. For this purpose it was useful to analyze the medium level, the variant, and the homogenization degree of the data. The need for these studies resulted as a fact that sea-buckthorn and blackberry leaves are harvested by locals and used in popular medicine for rheumatism, stomach and skin diseases. . The heavy metals (Fe, Mn, Zn, Cu, Ni, Cd, Pb) of the sea buckthorn and of the blackberry leaves were determined by atomic absorption spectrophotometry method. The statistical data taken were performed by using econometric software EViews 7.0. Our research reveals that mineralization of heavy metals in leaves is much higher than in fruit and a slow accumulation and during a period of time of these substances will negatively influence their quality and the consumers” metabolism. In the case of fruit shrubs (sea-buckthorn and blackberry) cropped/cultivated on copper dumps mining, potentially toxic metals bioaccumulate in much larger quantities in the leaves of blackberry, in comparison to those of the sea-buckthorn”s, so the recommendation is that these leaves were not used for medical purposes.
Keywords:
heavy metals ; dumps mining; Rubus fruticosus; Hippophae rhamnoides

Issue: 2016, Volume 67, Issue 1
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