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Research Journal of Medicinal Plants
Year: 2011  |  Volume: 5  |  Issue: 4  |  Page No.: 448 - 461

Antioxidant and Anti-inflammatory Activities from Galls of Guiera senegalensis J.F. Gmel (Combretaceae)

P.A.E.D. Sombie, A. Hilou, C. Mounier, A.Y. Coulibaly, M. Kiendrebeogo, J.F. Millogo and O.G. Nacoulma    

Abstract: The galls of Guiera senegalensis J.F. Gmel (Combretaceae) are used in Burkina Faso traditional medicine to treat some microbial and metabolic diseases such as malaria, dysentery, diabetes and hypertension. The purpose of the present study was to investigate the phytochemical analysis, the antioxidant and anti-inflammatory inhibitory activities from the galls of Guiera Senegalensis. Phytochemical assay was conducted with following standard protocols. The method of DPPH, FRAP, β-carotene assay, anti-lipid peroxidation (according to the thiobarbituric acid method) studies in vitro were employed to assess the antioxidant efficacy. The xanthine oxidase and lipoxygenase inhibition properties of extracts and fractions were also evaluated to assess the anti-inflammatory activity from galls of Guiera senegalensis. Galls extracts of G senegalensis are rich in totals polyphenol and in totals flavonoid content. The hydroacetonic extract showed the most potent antioxidant activity in FRAP method (10.88±0.86 mmol AEAC g-1) and anti-lipid peroxidation activity (75.06±2.42%) at a concentration of 1.25 mg mL-1. The water fraction of hydroacetonic extract showed the most potent antioxidant activity (6.012±0.13 mmol AEAC g-1 ) in the DPPH radical scavenging method and butanol fraction of hydroacetonic extract in the β-carotene bleaching method (59.00±3.27%) at a concentration of 100 μg mL-1. The highest antioxidant activity can be positively correlated with the highest total phenolics content and also with the highest anti-inflammatory activity of the tested extract/fraction. The present study thus provides a scientific rationale for the traditional use of this plant product to the treatment of metabolic diseases.

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