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KMID : 0881720210360030248
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Journal of Food Hygiene and Safety
2021 Volume.36 No. 3 p.248 ~ p.256
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Monitoring of Radioactivity and Heavy Metal Contamination of Dried Processed Fishery Products
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Lee Ji-Yeon
Jeong Jin-A
Jeon Jong-Sup
Lee Seong-Bong
Kwon Hye-Jung
Kim Jeong-Eun
Lee Byoung-Hoon
Mo A-Ra
Choi Ok-Kyung
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Abstract
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A total of 120 samples corresponding to 12 categories of dried processed fishery products distributed in Gyeonggi-do were examined for radioactivity contamination (131I, 134Cs, 137Cs) and heavy metals (lead, cadmium, arsenic, and mercury). One natural radioactive material, 40K, was detected in all products, while the artificial radioactive materials 131I, 134Cs and 137Cs were not detected at above MDA (minimum detectable activity) values. The detection ranges of heavy metals converted by biological basis were found as follows: Pb (N.D.-0.332 mg/kg), Cd (N.D.-2.941 mg/kg), As (0.371-15.007 mg/kg), Hg (0.0005-0.0621 mg/kg). Heavy metals were detected within standard levels when there was an acceptable standard, but the arsenic content was high in most products, although none of the products had a permitted level of arsenic. In the case of dried processed fishery products, there are products that are consumed by restoring moisture to its original state, but there are also many products that are consumed directly in the dry state, so it will be necessary to set permitted levels for heavy metals considering this situation in the future. In addition, Japan has decided to release contaminated water from the Fukushima nuclear power plant into the ocean, so there is high public concern about radioactivity contamination of food, including fishery products. Therefore, continuous monitoring of various food items will be necessary to ease consumers’ anxiety.
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KEYWORD
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Dried processed fishery products, Radioactivity, Heavy metal
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