In-vitro antioxidant activity and antibacterial assay of minor millet extracts

Jignasu P. Mehta and Sohil H.

Abstract

In vitro antioxidant property and antibacterial assay of the three genders of minor millets (Echinochloa crus-galli, Panicum miliaceum L, Panicum sumatrense) were evaluated. IC50 for various extracts were determined for DPPH scavenging, bleaching of b- carotene and % inhibition of H2O2 and compared with standard positive controls viz. butylated hydroxytoluene (BHT) for DPPH, propyl gallate for b-carotene and ascorbic acid for H2O2 assay. Antibacterial assay of six extracts of three species were evaluated against bacterial strains of Staphylococcus aureus (MTCC 96), Bacillus megaterium (MTCC-428), Escherichia coli (MTCC 443) and Pseudomonas aeruginos (MTCC1688). It is concluded from the results that phytochemicals are responsible for such inhibition of multi resistance microorganisms and could be a source of new antibacterial drugs.

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