Figure 3.
Two steroid saponins from Tribulus terrestris L. that show in vitro antifungal activity. These saponins are tigogenin-3-O-β-d-xylopyranosyl-(1→2)-[β-d-xylopyranosyl(1→3)]-β-d-glucopyranosyl (1→4)-[β-l-rhamnopyranosyl-(1→2)]-β-d-galactopyranoside (saponin 1), tigogenin-3-O-β-d-glucopyranosyl-(1→2)-[β-d-xylopyranosyl-(1→3)]-β-d-glucopyranosyl-(1→4)-β-d-galactopyranoside (saponin 2). Adapted from Zhang et al., [146], for illustrative purposes only.
