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Published:
Oct 15, 2008Keywords:
Shigellae – Hydroalcoholic extract – bark – <i>Parkia biglobosa</i>
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Antimicrobial effects of the stem bark extracts of Parkia biglobosa (jacq.)Benth. on Shigellae
Abstract
Total and hydroalcoholic extracts of the stem barks of Parkia biglobosa (Jacq) Benth. (Mimosaceae) were tested on strains belonging to three species of Shigellae: S. dysenteriae, S. flexneri and S. boydii collected from hospitals in Ouagadougou, Burkina Faso. The results showed that both extracts were active against Shigellae. The hydroalcoholic extract was more active than the decoction (aqueous one) prescribed by the
traditional healer. Both extracts were particularly effective against S. dysenteriae, the most virulent of the three pathogenic species. The effects of the extracts have been compared to that of gentamicin. The phytochemical screening on the extracts revealed the presence of sterols, triterpenes, polyphenolic compounds including tanins, flavonoids, coumarins, anthocyanidins. Other components are saponosides and reducing sugars.
Keywords: Shigellae – Hydroalcoholic extract – bark – Parkia biglobosa
African Journal of Traditional and Complementary Medicine Vol. 4 (4) 2007: pp. 392-396
