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Determination of Pb,Cd,Cr and Ni concentration in Imported Indian Rice to Iran

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Author(s): M Malakootian | K Yaghmaeian | M Meserghani | A.H Mahvi | M Danesh pajouh

Journal: Iranian Journal of Health and Environment
ISSN 2008-2029

Volume: 4;
Issue: 1;
Start page: 77;
Date: 2011;
Original page

Keywords: Heavy metal | Atomic absorption | Rice of India | Iran | Food sanitary

ABSTRACT
"nBackground and Objectives: Heavy metal pollution has always been a major cause contamination of environment and considered as a major concern for food health. Rice is the most popular food among Iranians and presence of heavy metals in trace level in rice has received special attention because they are directly related to health.The aim of this research was to investigate the concentration of Pb, Cd, Cr, Ni in rice prevalent in the market of Iran."nMaterials and Methods: 20 of the most widely consumed brands of Iranian rice were purchased from local market in Iran. 3 samples of each brand were collected and certain volumes of each sample were digested with acid. Heavy metal contents in the digested samples were determined by atomic absorption spectrometry."nResults :The results showed that mean concentration Pb , Cr , Ni in rice samples respectively was 0.387 , 0.683, 0.019 ( mg/kg )"nConclusion: Notably the Ni and Cr content in the rice samples was found to be below the food sanitary standards in India rice . In the other hand 50% samples content Pb was found to be upper the food sanitary (Pb: 0.3 mg/kg). The result indicated that weekly intake of heavy metal by rice was below the provisional tolerable weekly intake recommended by WHO/FAO. However, risk assessments needs considerable attention and better prevention this low pollution.
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