Cajachalcone: An Antimalarial Compound from Cajanus cajan Leaf Extract
Ajaiyeoba, E.O. Ogbole, O.O. Abiodun, O.O. Ashidi, J.S. Houghton, P.J. Wright, Colin W.
Ajaiyeoba, E.O.
Ogbole, O.O.
Abiodun, O.O.
Ashidi, J.S.
Houghton, P.J.
Wright, Colin W.
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2013-02
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Abstract
Cajanus cajan L, a member of the family Fabaceae, was identified from the Nigerian antimalarial ethnobotany as possessing antimalarial properties. The bioassay-guided fractionation of the crude methanol extract of C. cajan leaves was done in vitro using the multiresistant strain of Plasmodium falciparum (K1) in the parasite lactate dehydrogenase assay. Isolation of compound was achieved by a combination of chromatographic techniques, while the structure of the compound was elucidated by spectroscopy. This led to the identification of a cajachalcone, 2′,6′-dihydroxy-4-methoxy chalcone, as the biologically active constituent from the ethyl acetate fraction. Cajachalcone had an IC50 value of 2.0 μg/mL (7.4 μM) and could be a lead for anti-malarial drug discovery.
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Ajaiyeoba EO, Abiodun OO, Ashidi JS, Houghton PJ and Wright CW (2013) Cajachalcone: An antimalarial compound from Cajus cajan leaf extract. Journal of Parasitology Research. 54: 5188-5191.
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