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Abstract
A new 19-oxo-18,19-seco-ursane-type triterpenoid saponin, named sanguisoside A (1), along with nine known triterpenoid saponins (2–10), was isolated from the roots of Sanguisorba officinalis. Their structures were determined on the basis of spectroscopic analysis and chemical method. Compounds 2 and 3 showed cytotoxic activity against SGC-7901, SMMC-7721, A549, and DU145 cell lines.
Acknowledgements
This project was financially supported by Promotive Research Fund for Young and Middle-aged Scientists of Shandong Province (No. BS2009SW062) and Key Laboratory for Rare and Uncommon Diseases of Shandong Province.
Notes
1. These authors contributed equally to this work.