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Title: The influence of toxic metals As, Cd, Ni and Pb on nutrients accumulation in Mentha piperita
Authors: Dinu, Cristina 
Vasile, Gabriela 
Tenea, Anda Gabriela 
Stoica, Catalina 
Gheorghe, Stefania 
Serban, Ecaterina Anca 
Affiliations: National Research and Development Institute for Industrial Ecology, ECOIND 
Keywords: Mentha piperita;Metals;Transfer coefficient;Nutrients
Issue Date: Dec-2021
Publisher: National Research and Development Institute for Industrial Ecology, INCD-ECOIND
Medicinal plants are, for a considerable part of the population, an important source of treatment for certain diseases. They contain essential nutrients for the human body such as magnesium, iron, and zinc. The present study shows the influence of the addition of As, Cd, Ni, Pb on mineral nutrients in different organs of Mentha piperita. The experiments were carried out in the laboratory for a period of three months (May-July). Mentha piperita plants were AsCd and AsCdNiPb exposed up to final concentrations corresponding to the soil intervention threshold according to Romanian Order no.756/1997 (25 mg/kg As, 5 mg/kg Cd, 150 mg/kg Ni and 100 mg/ kg Pb). Simultaneously with these experiments, a control experiment (M) was performed. To evaluate the effect of the addition of AsCd and AsCdNiPb on the accumulation and transfer of Ca, Cr, Cu, Mn, Mo, Fe, and Zn, the transfer coefficient (TC), the translocation factor (TF), and the enrichment factor (EF) were
calculated. A higher concentration of Ca, Cr, Cu, Fe, Mn, Mo, and Zn was observed especially in the mint root in the experiments in which AsCdNiPb was added compared to those in which only AsCd was added. The AsCdNiPb addition did not influence the translocation of micro and macronutrients from the root to the aerial (edible) parts of the plant. In the case of the AsCd, addition, the translocation of zinc from the root to the aerial parts (leaves and stem) of the plant was increased.
Romanian Journal of Ecology & Environmental Chemistry, vol. 3, no. 2, pp. 141-152, 2021,
Appears in Collections:RJEEC, Volume 3, no. 2, 2021

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