Background: With the aim of discovering new natural active extracts against malaria parasites, Icacina senegalensis was selected after an ethnopharmacological survey conducted on plants used in traditional malaria treatment in Senegal.
Methods: Different concentrations of the plant extract and fractions were tested on synchronized Plasmodium falciparum cultures at the ring stage using the parasite lactate dehydrogenase assay. Their haemolytic activity and in vitro cytoxicity were evaluated. The chromatographic profiles of active fractions were also established.
Results: The plant extract and fractions revealed anti-plasmodial activity (IC50 < 5 μg/mL) with no toxicity (Selectivity indexes >10). The dichloromethane fraction showed stronger anti-plasmodial activity than the total extract.
Conclusion: Anti-plasmodial activity and toxicity of I. senegalensis are reported for the first time and showed promising results in malaria field research.
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| http://dx.doi.org/10.1186/1475-2875-10-85 | DOI Listing |
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