Faculty of Biology, University of Latvia
Hard copy: ISSN 1691–8088
On-line: ISSN 2255–9582
Env Exp Biol (2013) 11: 201–203
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Environmental and

Env Exp Biol (2013) 11: 201–203

Brief communication

Evaluation of antibacterial activity of photoactivated cow urine against human pathogenic strains

Vikas Sarsar1*, Krishan K. Selwal1, Manjeet K. Selwal1, Rochika Pannu1, Pankaj K. Tyagi2
1Department of Biotechnology, Deenbandhu Chhotu Ram University of Science and Technology, Murthal-131039, Haryana, India
2Department of Biotechnology, Meerut Institute of Engineering and Technology, Meerut, India
*Corresponding author, E-mail: sarsarvikas@gmail.com


The bactericidal properties of cow urine have been known to humans from a long time. Cow urine is an effective antibacterial agent against a broad spectrum of Gram-negative and Gram-positive bacteria. In this work, we explored photoactivated cow urine as a potential antimicrobial agent. The antimicrobial activity of cow urine was tested by agar well method using Gram-positive bacteria Bacillus cereus (MTCC-1305), Staphylococcus aureus (MTCC-3160) and Gram-negative bacteria Salmonella typhimurium (MTCC-1253), Aeromonas hydrophila (MTCC-1739), Enterobacter aerogenes (MTCC-2823), Micrococcus luteus (MTCC-1809). Photoactivated urine showed highest antimicrobial activity against Gram-positive Bacillus cereus and Gram-negative bacteriaAeromonas hydrophila . Bactericidal effect showed against various bacteria depended on the concentration of photoactivated urine and the type of bacteria.

Key words: agar well method; antibiotics; bactericidal activity; cow urine.

Env Exp Biol (2013) 11: 201–203
 DOI: http://doi.org/10.22364/eeb

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