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KMID : 1007520230320101361
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Food Science and Biotechnology
2023 Volume.32 No. 10 p.1361 ~ p.1372
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Monitoring arsenic species concentration in rice-based processed products distributed in South Korean markets and related risk assessment
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Noh Chang-Hyun
Chun Su-Hyun
Lim Joon-Ki
Kim Min-Hyuk
Choi Seo-Gyeong
Khang Seung-Woo
Nguyen Thi Thanh Truc
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Abstract
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Rice is an important grain as a major source of carbohydrates in Asia but contains more arsenic (As) than other grains. A total of 239 rice-based processed foods (rice, n?=?30; rice cake, n?=?30; porridge, n?=?39; noodles, n?=?33; bread, n?=?20; snack, n?=?59; powder, n?=?28) were purchased in 2019 from domestic markets to measure total As (tAs) and As species. The average tAs and inorganic As (iAs) in each sample group ranged from 20 to 180 μg/kg (porridge for baby to noodle) and 4.4?85 μg/kg (porridge for baby to powder), respectively. The correlation between the iAs and tAs was affected by the variety of ingredients, such as the presence of seaweed (tAs) and the milling type of rice (iAs). Although rice cakes and baby rice-based powders are a source of concern for both adults and children, respectively, risk assessments indicate that most rice-based foods are generally safe to consume in South Korea.
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KEYWORD
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Rice-based processed product, Arsenic speciation, Monitoring, Margin of exposure, Risk assessment
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