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