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Survey of Heavy Metal Contents and Intake Rates After Decoction in Herbal Medicines Classified by Parts  

Jung, Sam-Ju (Seoul Metropolitan Government Research Institute of Public Health and Environment, Department of Food Science and Technology)
Kang, Sung-Tae (Seoul National University of Technology)
Han, Chang-Ho (Seoul Metropolitan Government Research Institute of Public Health and Environment, Department of Food Science and Technology)
Kim, Su-Jin (Seoul Metropolitan Government Research Institute of Public Health and Environment, Department of Food Science and Technology)
Ko, Suk-Kyung (Seoul Metropolitan Government Research Institute of Public Health and Environment, Department of Food Science and Technology)
Kim, Yun-Hee (Seoul Metropolitan Government Research Institute of Public Health and Environment, Department of Food Science and Technology)
Kim, Yoo-Kyung (Seoul Metropolitan Government Research Institute of Public Health and Environment, Department of Food Science and Technology)
Kim, Bog-Soon (Seoul Metropolitan Government Research Institute of Public Health and Environment, Department of Food Science and Technology)
Choi, Byung-Hyun (Seoul Metropolitan Government Research Institute of Public Health and Environment, Department of Food Science and Technology)
Publication Information
Journal of Food Hygiene and Safety / v.25, no.4, 2010 , pp. 402-409 More about this Journal
Abstract
The study was conducted to estimate the contents of heavy metal in commercial herbal medicines (1047 samples of 132 species) which were collected from markets in Seoul and to analyze the contents of heavy metals of herbal medicines by classifying them by parts. The samples were digested using microwave method. The contents of heavy metal (Pb, Cd, and As) and Hg were determined using Inductively coupled plasma-Mass spectrometer (ICP/MS). And the contents of Hg were obtained by Mercury analyzer. The average values of heavy metal in herbal medicines were as follows [mean (minimum-maximum), mg/kg]; Pb 0.870 (ND-69.200), As 0.148 (ND-2.965), Cd 0.092 (ND-2.010), and Hg 0.007 (ND-0.B7). And the average values of heavy metal by parts in herbal medicines were as follows [mean (minimum-maximum), mg/kg]; Ramulus 2.046 (0.065-4.474), Herba 1.886 (0.048-10.404), Flos 1.874 (0.052-5.393), Cortex 1.377 (0.011-4.837), Radix 1.165 (0.012-70.111), Rhizoma 1.116 (0.016-5.490, Fructus 0.838 (0.017-4.527), Perithecium 0.729 (0.013-4.953), Semen 0.646 (0.006-4.416). The average values of heavy metal of imported herbal medicines except Radix were higher than domestic ones. By decoction of herbal medicines exceeding the tolerances, average intake rates of Pb, As, Cd and Hg were obtained as 6.1%, 40.3%, 4.7%, and 2.2%, respectively.
Keywords
herbal medicines; heavy metals; ICP-MS; decoction; intake rates;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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