Comparative Perspective to the Chemical Composition of imported Rice: Association of Cooking Method

It has been reported that as much as 75% of the daily calorie intake of the people in some Asian countries is derived from rice Lead, cadmium and arsenic are from the prevalent toxic elements in food and environment that have a long half-life after the absorption in humans and animals can make unsou...

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Bibliographic Details
Published in:Biomedical & pharmacology journal 2015-06, Vol.8 (1), p.149-155
Main Authors: -Moghadam, Ranna Jafari, Ziarati, Parisa, Salehi-Sormaghi, Mohammadhossein, Qomi, Mahnaz
Format: Article
Language:English
Subjects:
Arsenic
Body weight
Cadmium
Cooking
Food contamination & poisoning
Heavy metal content
Heavy metals
Iron
Kidneys
Lead
Liver
Manganese
Nervous system
Nickel
Rice
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Summary:It has been reported that as much as 75% of the daily calorie intake of the people in some Asian countries is derived from rice Lead, cadmium and arsenic are from the prevalent toxic elements in food and environment that have a long half-life after the absorption in humans and animals can make unsought and unpleasant effects such as damage to internal organs, the nervous system, kidneys, liver and lungs. The present study investigated Heavy metal content in, imported rice on sale in Tehran (the most populous city of Iran) market, and assesses daily arsenic and cadmium intake from rice. To assess the levels of Zinc, Iron, Manganese, Nickel, Cadmium and Lead in imported raw rice 600 samples purchased randomly from 5 popular brands of recognized rice market in 2014. The samples were analyzed by wet digestion method and standardized international protocols were followed for the preparation of material and analysis of heavy metals contents and analyzed by Atomic Absorption Spectrophotometer in Research Laboratory in Pharmaceutical Sciences Branch, Islamic Azad University. Analysis of variance (ANOVA) was employed to detect significances among samples from different brands. Results were determined as mean ± SD of dry weight from three replicates in each test. The mean content of Nickel, Lead and Cadmium in 48.6%, 27.5% and 42.3% samples from Indian imported brands were over respectively, while Zinc, Manganese and Iron contents were below the maximum permitted levels for rice. ANOVA analysis showed that there was a significant difference in Cadmium and Nickel contents in different brands of rice samples (p
ISSN:0974-6242
2456-2610
DOI:10.13005/bpj/593