EMA outlines herbal starting material quality requirements
Potential contaminants of herbal starting materials include heavy metals, microbes, residual solvents, pesticides, and radiation. The EMA advises industry to follow the principles outlined in the European Pharmacopeia monograph on herbal starting ...
Warning over toxic traditional medicine
... herbal-based treatments without having problems. However, they could pose a toxic hazzard when these remedies used "salts of heavy metals" as their active ingredient or they became contaminated during the manufacturing process, Prof Gaudins said. ...