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Metals in Herbal Drugs from Himalayan Region


Various herbal products from Himalayan region may provide a huge source of supply in the domestic and international markets. In this study, the heavy metal load in various herbal drugs of the region was investigated. The studied toxic elements were present in the herbal drugs (0.2–8.34 mg/kg As, 0.11–0.48 mg/kg Cd, 2.5–6.0 mg/kg Pb). Zinc was found in the range 7–32 mg/kg and all the samples were free from mercury contamination.

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Authors are thankful to the Director of IHBT for providing all facilities for this work. We are also thankful to Mr. Kuldeep Chand for his support in experimental work.

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Correspondence to Dhananjay Kumar Tewary.

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Pakade, Y.B., Kumari, A., Singh, S. et al. Metals in Herbal Drugs from Himalayan Region. Bull Environ Contam Toxicol 86, 133–136 (2011).

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  • Heavy metal
  • Toxic
  • Zinc
  • AAS
  • Herbal drugs