The monitoring of some heavy metals in oriental mineral medicines

광물성 생약 중 중금속의 모니터링

  • Han, Eunjung (Center for Environmental Technology, Korea Institute of Science and Technology) ;
  • Chung, Jaeyeon (Center for Environmental Technology, Korea Institute of Science and Technology) ;
  • Park, Kyungsu (Advanced Analysis Center, Korea Institute of Science and Technology) ;
  • Kang, Inho (Herbal Medicine Evaluation Team, Korea Food and Drug Administration) ;
  • Kang, Sinjung (Herbal Medicine Evaluation Team, Korea Food and Drug Administration) ;
  • Kim, Yunje (Center for Environmental Technology, Korea Institute of Science and Technology)
  • 한은정 (한국과학기술연구원, 에너지환경연구본부, 환경기술연구단) ;
  • 정재연 (한국과학기술연구원, 에너지환경연구본부, 환경기술연구단) ;
  • 박경수 (한국과학기술연구원, 연구조정부, 특성분석센타) ;
  • 강인호 (식품의약안전청, 한약평가팀) ;
  • 강신정 (식품의약안전청, 한약평가팀) ;
  • 김연제 (한국과학기술연구원, 에너지환경연구본부, 환경기술연구단)
  • Received : 2008.07.18
  • Accepted : 2008.12.04
  • Published : 2008.12.25

Abstract

This paper reports on the monitoring results of some heavy metals (Pb, Cd, As and Hg) in oriental mineral medicines. Levels of Pb, Cd and As were determined using the acid digestion method and ICP-MS. Hg levels were determined using the gold amalgamation method and Automatic mercury analyzer (AMA). The results indicated that, in the case of Pb, 25.81% (24 cases) of the samples were over MRL (5 mg/kg). Pb levels in Calamina, Pumex, and Cinnabaris exceeded MRL (5 mg/kg). In the case of Cd, 9.68% (17cases) of the samples were over MRL (0.3 mg/kg). Cd levels in Calamina, Pumex and Cinnabaris were exceeded MRL (0.3 mg/kg). In case of As, 24.73% (23 cases) of samples exceeded MRL (3 mg/kg). As levels in Calamina, Lithargyrum, Vermilionum, Cinnabaris and Chalcocitum exceeded MRL (3 mg/kg). In the case of Hg, it was shown that the 76.34% (78 cases) of the samples exceeded MRL (0.2 mg/kg). Hg levels in almost all the samples exceeded MRL (0.2 mg/kg). These results led us to recommend that the domestic commercial law to be legislated to ensure the quality estimation and safety of oriental mineral medicines.

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