Monitoring and Risk Assessment of Heavy Metals in Edible Mushrooms
2012
Kim, J.Y., National Academy of Agricultural Science, RDA, Suwon, Republic of Korea | Yoo, J.H., National Academy of Agricultural Science, RDA, Suwon, Republic of Korea | Lee, J.H., National Academy of Agricultural Science, RDA, Suwon, Republic of Korea | Kim, M.J., National Academy of Agricultural Science, RDA, Suwon, Republic of Korea | Kang, D.W., National Academy of Agricultural Science, RDA, Suwon, Republic of Korea | Ko, H.S., Rural Development Administration, Suwon, Republic of Korea | Hong, S.M., National Academy of Agricultural Science, RDA, Suwon, Republic of Korea | Im, G.J., National Academy of Agricultural Science, RDA, Suwon, Republic of Korea | Kim, D.H., National Academy of Agricultural Science, RDA, Suwon, Republic of Korea | Jung, G.B., National Academy of Agricultural Science, RDA, Suwon, Republic of Korea | Kim, W.I., National Academy of Agricultural Science, RDA, Suwon, Republic of Korea
BACKGROUND : Many edible mushrooms are known to accumulate high levels of heavy metals. This research was focused on health risk assessment to investigate the mushrooms in Korea, arsenic (As), cadmium (Cd), lead (Pb) and mercury (Hg) contaminations in edible mushrooms in cultivated areas were investigated, and health risk was assessed through dietary intake of mushrooms. METHODS AND RESULTS: The heavy metals in mushrooms were analyzed by ICP/MS after acid digestion. Probabilistic health risk were estimated by Monte-Carlo simulation techniques. The average contents of As, Cd, Pb, and Hg were 0.035±0.042 mg/kg, 0.017±0.020 mg/kg, 0.043±0.013 mg/kg, and 0.004±0.004 mg/kg, respectively. The results showed that contents of Cd and Pb did not exceed maximum residual levels established by European Uion regulation (Cd 0.20 mg/kg and Pb 0.30 mg/kg). For health risk assessment, estimated intakes in all age populations did not exceed the provisional tolerable daily intake of As and Hg, provisional tolerable monthly intake of Cd, provisional tolerable weekly intake of Pb. The Hazard Index (HI) were ranged from 0.03×10-~0.01×10-³ for As, 0.02×10-³~0.81×10-³ for Cd, 0.06×10-³~0.38×10-³ for Pb, and 0.08×10-⁴~0.14×10-³ for Hg at general population. CONCLUSION: The HI from the ratio analysis between daily exposure and safety level values was less than 1.0. This results demonstrated that human exposure to heavy metals through dietary intake of mushrooms might not cause adverse effect.
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