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. 2011 Feb 17;2011:323276. doi: 10.1093/ecam/nep123

Figure 1.

Figure 1

Structures of the compounds isolated from the Indigofera species. Fraction B (Flavonoid fraction): I. truxillensis—kaempferol 3-O-α-l-rhamnopyranoside (It1) and kaempferol 7-O-α-l-rhamnopyranoside (It2), kaempferol 3-O-α-l-rhamnopyranoside-7-O-α-l-rhamnopyranoside (It3) and kaempferol 3-O-α-l-arabinopyranoside-7-O-α-l-rhamnopyranoside (It4); I. suffruticosa—quercetin 7-O-β-d-glucopyranoside (Is1), quercetin 3-O-[β-d-xylopyranosyl-(1→2)-β-d-galactopyranoside] (Is2), quercetin 3-O-[α-l-rhamnopyranosyl-(1→6)-β-d-glucopyranoside] (Is3) and quercetin 3-O-[β-d-glucopyranosyl-(1→2)-β-d-glucopyranoside] (Is4). Fraction C (Alkaloid fraction): I. truxillensis and I. suffruticosa—indigo (It5, Is5) and indirubin (It6, Is6).