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- URN to cite this document:
- urn:nbn:de:bvb:355-epub-374238
- DOI to cite this document:
- 10.5283/epub.37423
Abstract
Objectives: Pyrrolizidine alkaloids (PA) exist ubiquitously in our environment. More than 6000 plants, about 3% of the world’s flowering plants, are known to synthesize PA. As a consequence, many herbal ingredients, including St. John’s wort (SJW), are contaminated with PA that can possess acute and subchronic toxic effects as well as mutagenic and genotoxic properties. Therefore, the possible ...

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