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KMID : 1024520050140020121
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Journal of the Environmental Sciences
2005 Volume.14 No. 2 p.121 ~ p.128
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Estimation of dietary intake and human health risk of hexachlorobenzene by marine organism consumption in Korea
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Moon Hyo-Bang
Lee Soo-Jeong
Lee Yoon
Park Jong-Soo
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Abstract
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Hexachlorobenzene (HCB) was analyzed in various marine organisms of Korea. HCB was detected in all organism samples with residual concentrations from 0.51 to 222 pg/g wet weight. HCB residue was the highest content in crustacean, and followed by bivalves, fish, cephalopods and gastropods. The residues were comparable to or lower than those in marine organisms of other countries. Daily dietary intake of HCB from seafood was estimated to be 13.4 pg/kg body weight/day. The relative contribution of taxonomic group to the total dietary intake of HCB were in the order of crustaceans , bivalves , fish , cephalopods , and gastropods . Daily dietary intake of HCB expressed as toxic equivalent (TEQ) value was estimated to be TEQ/kg body weight/day. This value did not exceed tolerable daily intake (TDI) proposed by the WHO, the UK toxicity committee and the KFDA. Cancer risk and target hazard quotient (THQ) due to the consumption of the marine organism in Korean adult population were evaluated using the exposure equation of food ingestion. This result suggests that dietary intake of HCB by the consumption of Korean seafood seems to be safe for human health with negligible cancer and non-cancer risks so far.
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KEYWORD
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Hexachlorobenzene (HCB), Dietary intake, Cancer risk, Target hazard quotient (THQ), Human health
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