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ANTI-BACTERIAL ACTIVITY OF FERMENTED METHANOLIC EXTRACTS OF SKIN OF ALLIUM CEPA
Manasa Machavarapu* and Meena Vangalapati
ABSTRACT Allium cepa one of the richest natural source of flavonoids. Among flavonoids present in the onion, quercetin is well-known major substances. The objective of this study was to investigate the antibacterial activity of Quercetin extracted from fermented skin of Allium cepa. The anti bacterial activity was evaluated against Bacillus subtilis, Klebsiella pneumonia, Escherichia coli, Bacillus cereus, Staphylococcus aereus and Enterobacter aerogenes bacterial strains by Agar well diffusion method. The zones of inhibition were found to be 2 mm, 6 mm, 8mm, 6 mm, 7 mm and 5 mm respectively. Keywords: Quercetin, Allium cepa, antibacterial activity, fermentation. [Download Article] [Download Certifiate] |