Abstract
A phytochemical study of chloroform-methanol and methanol extracts of Joannesia princeps Vell. Leaves led to the isolation of twenty eight compounds, including two α-ionones (2, 5), three glycosylated monoterpenes (1, 3, 4), eight phenolic compounds (6, 8, 9, 12, 14, 17, 18, 24), two gallotannins (10, 11), twelve flavonoids (7, 15, 16, 19, 20–23, 25–28), and one lignan (13). The structural characterization of the isolated compounds was performed by spectroscopic data and comparison with the literature. All compounds were isolated from this species and from the genus Joannesia for the first time. The chemotaxonomic importance of these metabolites is therefore summarized.
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