Oleanane-type saponins from Lysimachia laxa Baudo and their antibacterial activities
Nguyen Thi Luyen,
Nguyen Tien Dat,
Do Hoang Giang
et al.
Abstract:Seven new oleanane-type triterpene saponins, lysimaponins A-G, were isolated from aerial parts of Lysimachia laxa Baudo. Their chemical structures have been elucidated by analysis of spectroscopic and chemical methods. All compounds were evaluated for their anti-bacterial effects against Microcystis aeruginosa, Vibrio parahaemolyticus, V. harveyi, V. vulinificus, V. cholerae, and V. alginolyticus. All compounds showed potent anti-bacterial activities against the cyanobacteria M. aeruginosa with IC50 values ran… Show more
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