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Samuel, Babatunde; Oluyemi, Wande Michael; Abiodun, Oyindamola
African journal of biotechnology, 10/2015, Volume: 14, Issue: 43Journal Article
Malaria remains a major public health concern which affects millions of people, particularly in Sub-Saharan Africa. The need for the development of alternate treatment means has become critical because of the emergence of resistance to nearly all antimalarial drugs (Kim and Schneider, 2013). Trema orientalis (L.) Blume (Ulmaceae) is used locally for the treatment of malaria. This study was designed to determine the anti-plasmodial activity of the acetone extract of T. orientalis and carry out a bio-guided separation of the extract. Acetone extract of T. orientalis leaves was investigated for its antimalarial activity in a mouse model of Plasmodium berghei using the 4 day suppressive test. Bioguided investigation was carried out by using column chromatographic fractions for in-vivo antiplasmodial screening. Preliminary spectroscopic profile of the most active fraction was obtained. Treatment with graded doses (100 to 800 mg/Kg) of acetone extract of T. orientalis resulted in significant chemosuppression of parasite growth that ranged from 44.0 to 83.8%. The most active fraction which was identified as M6 showed significant schizontocidal activity (P < 0.001). super(1)H NMR and Infrared spectra data indicated that the most active fraction contained flavonoids. This study justified the folkloric use of T. orientalis. Compounds from this plant could be a potential source of antimalarial agents.
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