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Abstract Title:

Analysis of anti-bacterial and anti oxidative activity of Azadirachta indica bark using various solvents extracts.

Abstract Source:

Saudi J Biol Sci. 2017 Jan ;24(1):11-14. Epub 2015 Aug 6. PMID: 28053565

Abstract Author(s):

Raid Al Akeel, Ayesha Mateen, K Janardhan, V C Gupta

Article Affiliation:

Raid Al Akeel

Abstract:

Herbal medications have been used for relief of symptoms of disease. Regardless of the great advances observed in current medicine in recent decades, plants still make a significant contribution to health care. An alarming increase in bacterial strains resistant to a number of antimicrobial agents demands that a renewed effort be made to seek antibacterial agents effective against pathogenic bacteria resistant to or less sensitive to current antibiotics. Anti-bacterial activity of Azadirachta indica stem bark was tested against pathogenic Salmonella paratyphi and Salmonella typhi using various solvent extracts. The in vitro anti-bacterial activity was performed by agar well diffusion method and the results were expressed as the average diameter of zone of inhibition of bacterial growth around the well. The ethanol and methanol extracts showed better anti-bacterial activity with zone of inhibition (20-25 mm) when compared with other tested extracts and standard antibiotic Erythromycin (15 mcg) with zone of inhibition (13-14 mm). Using Fisher's exact test of significance difference was found between two Salmonella strains sensitivity patterns against tested extracts (P ⩽ 0.035). Extracts of A. indica stem bark also exhibited significant antioxidant activity, thus establishing the extracts as an antioxidant. The results obtained in this study give some scientific support to the A. indica stem bark for further investigation of compounds and in future could be used as drug.

Study Type : In Vitro Study

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Sayer Ji
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