E3S Web of Conferences
Volume 1, 2013Proceedings of the 16th International Conference on Heavy Metals in the Environment
|Number of page(s)||4|
|Section||Heavy Metals in Soils II: Loaded Soils|
|Published online||23 April 2013|
Heavy Metals Levels in Soil and Vegetables in Different Growing Systems
1 INSP/ Centre Regional of Public Health, Str.V.Babes nr.14, Iasi, Romania
2 University of Agricultural Sciences and Veterinary Medicine Iasi, Romania
The current project deals with an issue of actuality and scientific/technical necessity and aims to assess the factors contributing to the vulnerability of ecological systems and therefore endangering/compromising food safety. The goals of this ongoing study are to address the main risk factors on ecological system with particular regards to fresh growing vegetables and to establish technical monitoring system(s) with a view to increase food safety. Herein, the authors present the research results obtained in 2011 in SIECOLEG Project regarding the assessment of some heavy metals (mainly lead, cadmium, cooper, and manganese) of 80 samples soils and 25 samples vegetables from some ecological system. The concentrations of heavy metals were measured by Atomic absorption spectrometer (AAS Schimadzu 6300) - with graphite furnace atomizer and autosampler. In soil: lead and cadmium concentrations ranged from 4.51 to 6.58 mg/kg and from 0.14 to 0.4 mg/kg, respectively. Cooper and manganese concentrations ranged from 20.73 to 6.58 mg/kg and from 218.1 to 298.3 mg/kg, respectively. In vegetables (tomatoes, cucumber, peppers, eggplant, cabbage): lead concentrations ranged from 0.0 (tomatoes) to 4.35 mg/kg (cabbage); cooper concentrations ranged from 0.2 mg/kg (cucumber) to 0.80 mg/kg (eggplant); manganese concentrations ranged from 0.0 mg/kg (tomatoes) to 0.60 mg/kg (eggplant). Cadmium was not detected in any of analysed vegetable samples. Under these circumstances, the project intends to demonstrate the extent of this vulnerability and to elaborate measures for controlling and diminishing the effects of the involved factors in order to increase food safety and security for ecological fresh vegetables
Key words: heavy metals / soil / vegetables / Romania
© Owned by the authors, published by EDP Sciences, 2013
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