Hypericum lanceolatum (Hypericaceae) as a potential source of new anti-malarial agents: a bioassay-guided fractionation of the stem bark
2011

Potential Anti-Malarial Properties of Hypericum lanceolatum

publication Evidence: moderate

Author Information

Author(s): Zofou Denis, Kowa Théodora K, Wabo Hippolyte K, Ngemenya Moses N, Tane Pierre, Titanji Vincent P K

Primary Institution: University of Buea

Hypothesis

The study aims to evaluate the anti-malarial potential and safety of the methanol extract of Hypericum lanceolatum stem bark.

Conclusion

The study found that the stem bark of H. lanceolatum has significant anti-malarial properties and low cytotoxicity, supporting its traditional use in treating malaria.

Supporting Evidence

  • The ethylacetate sub-extract showed significant anti-plasmodial activity with an IC50 < 10 μg/mL.
  • Three compounds isolated from the extract exhibited strong anti-plasmodial activity.
  • The methanol crude extract showed no significant cytotoxicity against LLC-MK2 cells.

Takeaway

This study shows that a plant called Hypericum lanceolatum can help fight malaria without being harmful to people.

Methodology

The study involved bioassay-guided fractionation, anti-plasmodial activity assays, and cytotoxicity tests using various extracts and isolated compounds.

Limitations

The study primarily focused on in vitro assays, and further in vivo studies are needed to confirm the findings.

Digital Object Identifier (DOI)

10.1186/1475-2875-10-167

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