Toxic ingredients found in Chinese medicines

Traditional Chinese medicines can contain a cocktail of potentially toxic ingredients, allergens and traces of endangered animals, new research suggests.

DNA analysis of medicines seized at Australian customs found that four out of 15 contained potentially toxic and carcinogenic plant ingredients, while others had traces of animals protected under international law.

Researchers from Murdoch University, WA, turned to DNA techniques to unravel the complex mixtures of plant and animal

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