机构:[1]Kunming General Hospital of Chengdu Military Region, Kunming 650032, Yunnan, China[2]The First Affiliated Hospital of Kunming Medical University, Kunming 650031, Yunnan, China昆明医科大学附属第一医院
A new cycloartane-type triterpenoid saponin named riparsaponin (1) was isolated from the stem of Homonoia riparia Lour together with six known compounds. The structure of riparsaponin was determined by using NMR and mass spectroscopy and X-ray crystallography techniques. Additionally, riparsaponin has a significant inhibitory effect on xanthine oxidase in vitro, and the IC50 was 11.16 nmol/mL.
基金:
Key Project of Basic Research and Application Program of Yunnan
Province in China (No. 2011FA036)