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Metal concentrations of Chinese herbal medicine products in the United States

Oriental pharmacy and experimental medicine, v.10 no.4, 2010년, pp.294 - 303  

Lee, Sun-Dong (Department of Preventive Medicine, School of Oriental Medicine, Sangji University) ,  Shin, Heon-Tae (Department of Preventive Medicine, School of Oriental Medicine, Dongshin University) ,  Park, Hae-Mo (Department of Preventive Medicine, School of Oriental Medicine, Sangji University) ,  Ko, Seong-Gyu (Department of Preventive medicine, School of Oriental Medicine, Kyunghee University) ,  Kook, Yoon-Bum (Department of Prescriptionology, School of Oriental Medicine, Sangji University) ,  Ryu, Jin-Yeol (Center for Natural Science, Sangji University) ,  Kim, Hyun-Do (National University of Health Sciences) ,  Hu, Howard (Department of Environmental Health Sciences, School of Public Health, University of Michigan) ,  Park, Sung-Kyun (Department of Environmental Health Sciences, School of Public Health, University of Michigan)

Abstract AI-Helper 아이콘AI-Helper

We determined arsenic, lead, mercury and cadmium concentrations in Chinese herbal medicines sold in the United States by medical use parts. 54 kinds of herbal products including 9 medical use parts (radix, rhizoma, cortex, pericarpium, fructus, lignum, semen, folium, and herba) were analyzed using i...

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  • In summary, a total of 18% (cadmium) to 71% (arsenic) of 143 Chinese herbal medicine products contained metals. Mercury and cadmium were detected in high concentrations above the regulatory standards in 27% and 12% of 143 products analyzed. Herba and folium (leaves of herbal plants) appears to be the most contaminated parts from metals, whereas pericarpium, lignum and semen (outer layers and seeds) seem to be less contaminated.
  • The crude samples used for Chinese herbal medicine were collected from Chinese markets in New York, Los Angeles, and Washington D.C. areas between October and September, 2001. Each sample was obtained from each city (three samples per individual herbal medicine).
  • This study determined arsenic, lead, mercury and cadmium concentrations which are prioritized by the Environmental Protection Agency and the Agency for Toxic Substances & Disease Registry (ATSDR, 2006) in 54 kinds of Chinese herbal medicine sold in the United States.
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