Abstract
To access the antimalarial activity, mechanism of action and constituents of the hexane extract of Garcinia kola (GK) seeds and its column-fractions. The in vivo antimalarial activity of the hexane extract of GK and its column-fractions against Chloroquine-resistant Plasmodium berghei (ANKA) strain, the mechanism of action and the chemical constituents of the column fractions was determined using the Peters’ 4-day suppressive test, the beta hematin assay and Gas chromatography- mass spectrometry respectively. In this study, Fractions 4,5,15 and 95 obtained from the hexane extract of Garcinia kola seeds using column chromatography produced chemosuppression values ≥ 59.6% at 200 mg/kg. These fractions inhibited the conversion of heme to heamozoin and contained arenes following Gas chromatography-mass spectrometry. The observed antimalarial activity justifies the use of Garcinia kola seeds in the treatment of febrile illnesses.
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