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Article Information:
Antioxidant and Antibacterial Activities of Five Verbenaceae Species from Burkina Faso
1M.J. Bangou, 1N.T.R. Méda, A.M.E. Thiombiano, M. Kiendrebéogo, B. Zeba, J. Millogo-Rasolodimby, Y.D. Coulidiaty, M.Yougbaré-Ziébrou and 1O.G. Nacoulma
Corresponding Author: M.J. Bangou
Submitted: June 07, 2012
Accepted: July 04, 2012
Published: November 20, 2012 |
Abstract:
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The present study aimed to evaluate the antioxidant and the antibacterial activities of methanol extracts from five species from Verbenaceae family and to quantify their polyphenols. Two methods i.e., FRAP and DPPH were used to estimate the total antioxidant capacity of the plants materials. Antibacterial activity was measured on serotyped bacteria (4) and pathogenic bacteria (13) using the solid agar dishes diffusion method. Polyphenolic quantification was measured using Folin-Ciocalteu, ammonium citrate iron and AlCl3 reagents, respectively. Fe (III) to iron (II) reducing activity show to be relate to tannins content and the radical scavenging activity by total phenolic and total flavonols. As a whole Duranta erecta L. gave a better antioxidant activity (FRAP: 15.03 mmol EAA/g and IC50: 7.88 mmol EAA/g). The best antimicrobial activity was obtained by Duranta erecta L. (22.33 mm) at a concentration of 25 μg/mL. This result was obtained on Gram-positive bacteria such as Staphylococcus épidermidis. The results obtained in this study showed an interesting antioxidant activity of Duranta erecta L. This plant also presented the best antibacterial activity particularly on Staphylococcus épidermidis, among the five species of Verbenaceae family. Our findings could partially justify the traditional uses of these plants as indicated in the literature.
Key words: Antioxidant, antimicrobial, flavonoid content, flavonol content, medicinal plant, phenolic content, tannins content, verbenaceae
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Cite this Reference:
1M.J. Bangou, 1N.T.R. Méda, A.M.E. Thiombiano, M. Kiendrebéogo, B. Zeba, J. Millogo-Rasolodimby, Y.D. Coulidiaty, M.Yougbaré-Ziébrou and 1O.G. Nacoulma, . Antioxidant and Antibacterial Activities of Five Verbenaceae Species from Burkina Faso. Current Research Journal of Biological Sciences, (6): 665-672.
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ISSN (Online): 2041-0778
ISSN (Print): 2041-076X |
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