Determination of Arsenic in Thai Rice

Journal article


Ojinnaka, D. and Beck, N. (2016). Determination of Arsenic in Thai Rice. Food Science & Nutrition Technology. 2 (2). https://doi.org/10.23880/fsnt-16000120
AuthorsOjinnaka, D. and Beck, N.
Abstract

Studies have shown that rice (Oryza sativa L.) is one of the main sources of inorganic arsenic in foods. Rice absorbs arsenic from the soil and more so when planted in soils contaminated with agrochemicals residues. In this research, the concentration of arsenic in over 40 rice samples, selected randomly from paddy fields in the North of Thailand, was determined by inductively coupled plasma–mass spectrometry (ICP-MS). It was found that the average levels of arsenic in rice grown in uncontaminated soil was 1.8 x10-3 mg kg-1 (1.8 ppb) relatively lower than the guideline of 0.2 mg kg-1 (200 ppb) agreed by Codex Alimentarius for arsenic in rice. Thus, it is possible to suggest that a normal intake of Thai rice from the paddy fields of North Thailand, would not pose any significant adverse health effect on the consumer and import restriction of such produce on the ground of safety will be unreasonable.

KeywordsArsenic; Food contaminants; ICP-MS; Thai rice
Year2016
JournalFood Science & Nutrition Technology
Journal citation2 (2)
PublisherMedwin Publishers
ISSN2574-2701
Digital Object Identifier (DOI)https://doi.org/10.23880/fsnt-16000120
Publication dates
Online15 Jul 2016
Publication process dates
Accepted24 Jun 2016
Deposited04 Dec 2020
Publisher's version
License
File Access Level
Open
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FSNT16000120 ARSENIC IN FOODS.pdf
License: CC BY 4.0
File access level: Open

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