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Fig. 1 | Chemistry Central Journal

Fig. 1

From: Antimicrobial activities of saponins from Melanthera elliptica and their synergistic effects with antibiotics against pathogenic phenotypes

Fig. 1

Chemical structures of saponins (14) isolated from n-BuOH extract of areal parts of M. elliptica. 1: 3-O-β-d-glucuronopyranosyl-oleanolic acid; 2: 3-O-β-d-glucuronopyranosyloleanolic acid 28-O-β-d-glucopyranosyl ester; 3: 3-O-β-d-glucopyranosyl(1 → 2)-β-d-glucuronopyranosyl oleanolic acid; 4: 3-O-β-d-glucopyranosyl(1 → 2)-β-d-glucuronopyranosyloleanolic acid 28-O-β-d-glucopyranosyl ester

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