کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4469845 1622576 2013 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Mercury in food items from the Idrija Mercury Mine area
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم محیط زیست بهداشت، سم شناسی و جهش زایی
پیش نمایش صفحه اول مقاله
Mercury in food items from the Idrija Mercury Mine area
چکیده انگلیسی


• Elevated levels of Hg in foodstuffs.
• Hg levels have not diminished significantly during the past decades.
• Accumulation of Hg in chicory and mushrooms.
• Higher levels of MeHg in some vegetables compared to those previously determined.

As a consequence of over 500 years of mining and smelting activities (1490–1995), and of its natural geological occurrence, the soil in the Idrija region is highly contaminated with Hg. In order to assess the present situation regarding the Hg levels in local food samples, concentrations of total mercury (THg) and monomethyl mercury (MeHg) were determined in selected vegetables, mushrooms and fish from the Idrija Hg mine area. Hg levels in the foodstuffs analysed were not very high but were elevated compared to the levels in food from non-contaminated areas. The study showed that THg accumulates in mushrooms (X=5680 ng/g dry weight, Min=346 ng/g dry weight, Max=17,100 dry weight) and chicory (X=1950 ng/g dry weight, Min=86 ng/g dry weight, Max=17,100 ng/g dry weight). In addition, Se and Cd concentrations were determined by ICP-MS in those vegetable and mushroom species in which the highest Hg levels were found. The levels of Cd and Se were below the threshold levels. Based on data from previous studies, we can conclude that the levels of Hg in food have not diminished significantly during the past 15 years after closure of the Hg mine. Special attention should be given to vegetables such as chicory, representing a local seasonal vegetable eaten frequently.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Environmental Research - Volume 125, August 2013, Pages 61–68
نویسندگان
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