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Published:
Oct 14, 2008Keywords:
<i>Piptadenia africana</i> Leguminoseae Glyceryl-1-hexacosanoate Methyletherapigenin Chemotaxonomy Antibacterial activity.
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Piptaderol From Piptadenia africana
Abstract
A new glyceryl derivative (Glyceryl-1-hexacosanoate) and a flavone derivative (methyletherapigenin) were isolated from the stem bark extract of Piptadenia africana, a western Cameroonian plant species. Common terpenes like sitosterol, β-amyrin and eicosane were also isolated. These compounds were identified using physical and spectroscopic methods including mp, IR, 1H and 13C-NMR, DEPT, COSY, HMQC, HMBC, EI MS, HREI MS as well as some chemical transformations. The antibacterial activity of the extract, the fractions and the pure compounds is also discussed.
Keywords: Piptadenia africana, Leguminoseae, Glyceryl-1-hexacosanoate, Methyletherapigenin, Chemotaxonomy, Antibacterial activity.
African Journal of Traditional and Complementary Medicine Vol. 4 (3) 2007: pp. 294-298
