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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/10726

Title: Antiplasmodial activity of selected medicinal plants used to treat malaria in Ghana
Authors: Komlaga, Gustav
Cojean, Sandrine
Dickson, Rita A.
Beniddir, Mehdi A.
Suyyagh-Albouz, Soulaf
Mensah, Merlin L. K.
Agyare, Christian
Champy, Pierre
Loiseau, Philippe M.
Keywords: Chloroquine-resistant Plasmodium falciparum
Bambusa vulgaris
Phyllanthus fraternus
Tectona grandis
Terminalia ivorensis
Senna siamea
Traditional Medicine
Issue Date: May-2016
Publisher: Parasitology Research
Citation: Parasitology Research · May 2016, DOI 10.1007/s00436-016-5080-8
Abstract: The use of medicinal plants for the treatment of diseases including malaria is commonplace in Ghanaian traditional medicine, though the therapeutic claims for most plants remain unvalidated. Antiplasmodial activity of the aqueous extracts and successively obtained petroleum ether, ethyl acetate and methanol fractions of the whole Phyllanthus fraternus plant, the leaves of Tectona grandis, Terminalia ivorensis and Bambusa vulgaris, and roots of Senna siamea were studied against Plasmodium falciparum chloroquine-sensitive 3D7 and chloroquineresistant W2 strains. The aqueous extracts were assessed against human umbilical vein endothelial cells (HUVECs) for cytotoxicity, and the organic solvent fractions against human O+ erythrocytes for haemolytic effect. Both extracts and fractions demonstrated antiplasmodial activity to varied extents. The aqueous extract of T. ivorensis was the most active (3D7, IC50 0.64 ±0.14; and W2, IC50 10.52±3.55 μg/mL), and together with P. fraternus displayed cytotoxicity (CC50 6.25±0.40 and 31.11 ±3.31 μg/mL, respectively). The aqueous extracts were generally selective for 3D7 strain of P. falciparum (selectivity indexes (SIs) ≥3.48) but only that of S. siamea was selective for theW2 strain (SI>2.1). The organic solvent fractions also displayed antiplasmodial activity with the methanol fractions of P. fraternus and T. grandis, and the fractions of B. vulgaris showing activity with IC50 below1 μg/mL against P. falciparum 3D7 strain; some fractions showed haemolytic effect but with low to high selectivity indexes (SI≥4). The results while justifying the traditional use of the plant materials in the treatment of malaria, however, suggest their cautious use.
Description: An article published by Parasitology Research, May 2016, DOI 10.1007/s00436-016-5080-8
URI: http://hdl.handle.net/123456789/10726
Appears in Collections:College of Health Sciences

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