Objective: Qianliguang (Senecio scandens) is a common Chinese medicinal herb.Qianliguang-containing herbal proprietary products are registered as over-the-counter remedies in China and exported to Western countries.The presence of hepatotoxic pyrrolizidine alkaloids Bunting and Garland (PAs) has raised concerns Scarfs about the safety of using Qianliguang and its products.
The present study aims at investigation of different types of PAs present in Qianliguang collected from representative locations in China.