Isolation and Identification of the Chemical Constituents of Gynura divaricata (L.) DC
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Abstract:
Nine compounds were isolated from Gynura divaricata (L.) DC and identified as kaempferol-3-O-α- L- rhamnopyranoside (1), quercetin-3-O-α-L-rhamnopyranoside (2), caryolane-1,9β-diol (3), eudesm-4(14)-ene-3α,11-diol (4), ferulic acid (5), pinoresinol-4-O-β-D- glucopyranoside (6), scopoletin (7), zingerone-4-O-β-D-glucopyranoside (8) and (3R)-3-hydroxy-4, 4-dimethyl- 4-butyrolactone (9) , by analysis of chemical evidence and spectroscopic data. All compounds were isolated from the genus Gynura.
