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Heavy metal exposure from cooked rice grain ingestion and its potential health risks to humans from total and bioavailable forms analysis

Overview of attention for article published in Food Chemistry, May 2017
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Title
Heavy metal exposure from cooked rice grain ingestion and its potential health risks to humans from total and bioavailable forms analysis
Published in
Food Chemistry, May 2017
DOI 10.1016/j.foodchem.2017.05.049
Pubmed ID
Authors

S.M. Praveena, N.A. Omar

Abstract

Heavy metal in rice studies has attracted a greater concern worldwide. However, there have been limited studies on marketed rice samples although it represents a vital ingestion portion for a real estimation of human health risk. This study was aimed to determine both total and bioaccessible of trace elements and heavy metals (Cd, Cr, Cu, Co, Al, Zn, As, Pb and Fe) in 22 varieties of cooked rice using an inductively coupled plasma-optical emission spectroscopy. Both total and bioaccessible of trace elements and heavy metals were digested using closed-nitric acid digestion and Rijksinstituut voor Volksgezondheid en Milieu (RIVM) in vitro digestion model, respectively. Human health risks via Health Risk Assessment (HRA) were conducted to understand exposure risks involving adults and children representing Malaysian population. Zinc was the highest while As was the lowest contents for total and in their bioavailable forms. Four clusters were identified: (1) Pb, As, Co, Cd and Cr; (2) Cu and Al; (3) Fe and (4) Zn. For HRA, there was no any risks found from single element exposure. While potential carcinogenic health risks present for both adult and children from single As exposure (Life time Cancer Risk, LCR>1×10(-4)). Total Hazard Quotient values for adult and children were 27.0 and 18.0, respectively while total LCR values for adult and children were 0.0049 and 0.0032, respectively.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 134 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 134 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 20 15%
Student > Bachelor 19 14%
Student > Ph. D. Student 14 10%
Researcher 9 7%
Student > Postgraduate 9 7%
Other 22 16%
Unknown 41 31%
Readers by discipline Count As %
Environmental Science 22 16%
Chemistry 18 13%
Agricultural and Biological Sciences 15 11%
Biochemistry, Genetics and Molecular Biology 4 3%
Medicine and Dentistry 4 3%
Other 18 13%
Unknown 53 40%