Hazardous Heavy Metal Contents of Mushrooms from Retail Markets in Seoul
2014
Cha, H.A., Seoul National University of Science and Technology, Seoul, Republic of Korea | Kang, S.H., Nonghyup Food Safety Research Institute, Seoul, Republic of Korea | Choe, S.B., Seoul National University of Science and Technology, Seoul, Republic of Korea | Kim, H.K., Nonghyup Food Safety Research Institute, Seoul, Republic of Korea | Kang, S.T., Seoul National University of Science and Technology, Seoul, Republic of Korea
This study determined the hazardous heavy metal content of mushrooms from markets in Seoul, Korea. One hundred and fifty mushroom samples were digested by the microwave method then the hazardous heavy metal (Pb, Cd, As, Cr, Ni and Hg) content was determined by the inductively coupled plasma-mass spectrometry (ICP-MS) and mercury analyzer. The average values of heavy metals in the samples were as follows: (mean [minimum-maximum], ¥�g/kg); Pb 7.8 (1.9-30.0), Cd 45.3 (0.7-292.4), As 54.6 (24.2-229.3), Cr 42.6 (8.4-334.3), Ni 22.4 (up to 180.4), and Hg 8.9 (2.0-25.0). The contents of hazardous heavy metal in mushrooms were lower than those reported previously and also lower than the Provisional Tolerable Weekly Intake (PTWI) limit prescribed by the FAO/WHO. Thus, it could be suggested that the hazardous heavy metals levels in the mushrooms of retail market were adequately safe for consumption.
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