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Biokemistri
Nigerian Society for Experimental Biology
ISSN: 0795-8080
Vol. 21, No. 2, 2009, pp. 101-108
Bioline Code: bk09014
Full paper language: English
Document type: Research Article
Document available free of charge

Biokemistri, Vol. 21, No. 2, 2009, pp. 101-108

 en Evaluation of Anti-trypanosomal Properties of Four Extracts of Leaves, Stem and Root Barks of Prosopis africana check for this species in other resources in Laboratory Animals
Atawodi, Sunday E. & Ogunbusola, Funmi

Abstract

Qualitative phytochemical and anti-trypanosomal properties of the petroleum ether, chloroform, methanol and aqueous extracts, obtained by cold extraction from the leaves, stem bark and roots of Prosopis africana check for this species in other resources were evaluated. The methanolic and aqueous extracts of the stem bark and leaves of the plant contained alkaloids, saponins, tannins and flavonoids. Anthraquinone was present in the stem bark methanolic extract and in the methanolic and aqueous extracts of the root as well as the aqueous extract of the leaves. Resins was present in the petroleum ether and chloroform extracts of the stem bark and leaves, while tannins was detected in the methanol and aqueous extracts of the stem bark and leaves of the plant in addition to the petroleum ether and chloroform extracts of the root bark. All the solvent extracts showed strong in vitro anti-trypanosomal activity and 2 and 4 mg/ml, but in vivo only the methanolic extract of the leaves displayed the most promising anti-trypanosomal effect at 200 mg/kg dose. Hence, Prosopis africana extracts possess significant anti-trypanosomal activity to warrant bioassay-guided evaluation and identification of the active principle.

Keywords
Antitrypanosomal effect, Trypanosomiasis, Prosopis africana, African mesquite

 
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