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http://dx.doi.org/10.13103/JFHS.2016.31.4.227

Risk Analysis of Inorganic Arsenic in Foods  

Yang, Seung-Hyun (Division of Food & Environmental Sciences, College of Life Science and Natural Resources, Wonkwang University)
Park, Ji-Su (Division of Food & Environmental Sciences, College of Life Science and Natural Resources, Wonkwang University)
Cho, Min-Ja (Food Contaminants Division, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation)
Choi, Hoon (Division of Food & Environmental Sciences, College of Life Science and Natural Resources, Wonkwang University)
Publication Information
Journal of Food Hygiene and Safety / v.31, no.4, 2016 , pp. 227-249 More about this Journal
Abstract
Arsenic and its compounds vary in their toxicity according to the chemical forms. Inorganic arsenic is more toxic and known as carcinogen. The provisional tolerable weekly intake (PTWI) of $15{\mu}g/kg$ b.w./week established by the Joint FAO/WHO Expert Committee on Food Additives (JECFA) has been withdrawn, while the EFSA panel suggested $BMDL_{0.1}$ $0.3{\sim}8{\mu}g/kg\;b.w./day$ for cancers of the lung, skin and bladder, as well as skin lesions. Rice, seaweed and beverages are known as food being rich in inorganic arsenic. As(III) is the major form of inorganic arsenic in rice and anaerobic paddy soils, while most of inorganic arsenic in seaweed is present as As(V). The inorganic arsenic in food was extracted with solvent such as distilled water, methanol, nitric acid and so on in heat-assisted condition or at room temperature. Arsenic speciation analysis was based on ion-exchange chromatography and high-performance liquid chromatography equipped with atomic absorption spectrometry and inductively coupled plasma mass spectrometry. However, there has been no harmonized and standardized method for inorganic arsenic analysis internationally. The inorganic arsenic exposure from food has been estimated to range of $0.13{\sim}0.7{\mu}g/kg$ bw/day for European, American and Australian, and $0.22{\sim}5{\mu}g/kg$ bw/day for Asian. The maximum level (ML) for inorganic arsenic in food has established by EU, China, Australia and New Zealand, but are under review in Korea. Until now, several studies have conducted for reduction of inorganic arsenic in food. Inorganic arsenic levels in rice and seaweed were reduced by more polishing and washing, boiling and washing, respectively. Further research for international harmonization of analytical method, monitoring and risk assessment will be needed to strengthen safety management of inorganic arsenic of foods in Korea.
Keywords
inorganic arsenic; foods; management; risk;
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