Volume 19, Issue 74 (Winter 2016)                   jwss 2016, 19(74): 27-38 | Back to browse issues page


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Kheirabadi H, Afyuni M, Ayoubi S, Soffianian A. Risk Assessment of Heavy Metals in Soils and Major Food Crops in the Province of Hamadan. jwss 2016; 19 (74) :27-38
URL: http://jstnar.iut.ac.ir/article-1-3179-en.html
1.گروه علوم خاک، دانشکده کشاورزی، دانشگاه شهید باهنر کرمان , kheirabadi@ymail.com
Abstract:   (8953 Views)

Heavy metals are known to have deleterious effects on human health. The main route of human exposure to heavy metals is the daily intake of food. This study was designed to investigate the heavy metal concentrations (Cu, Zn, Mn, Fe, Cr, Ni and Cd) in soil and major food crops (wheat, potato and corn) and estimate the health risks of metals to humans via soil and the crops consumed in Hamedan Province, using the total non-cancer hazard quotient. Daily metal intakes were estimated for three receptor groups and then compared with health guideline values. The non-cancer risk estimations showed that chromium, manganese, cadmium, zinc, Iron, Nickel and copper have oral Hazard Quotient values less than a value of one. The Hazard Index values were greater than 1 for all age groups, suggesting that adults and children in the study area may experience a potential non-cancer risk due to diet of heavy metal via wheat, corn and potato consumption and soil ingestion. Consumption of plant foods particularly wheat was found to be the major route of human exposure to heavy metal. The soil ingestion route is also important.

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Type of Study: Research | Subject: Ggeneral
Received: 2016/01/9 | Accepted: 2016/01/9 | Published: 2016/01/9

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