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Abstract - Issue Sep 2014, 35 (5) Back
nstantaneous and historical temperature effects on a-pinene
activity of the essential oils of three species
A. Tajo1, J. Minija1, M.J. Deena1, K.
Sreeranjini1, L. Leeja1, M. Sivadasan2 and
Molecular Biology Division, Department of Botany, University of Calicut,
Calicut–673 635, India
Botany and Microbiology, College of Science, King Saud University, P.B. No.
2455, Riyadh–11451, Kingdom of Saudi Arabia
Authors Email : firstname.lastname@example.org
10 January 2013
25 July 2013
05 September 2013
31 October 2013
studies on 7 strains of bacteria and 8 strains of fungi using disk diffusion
assay, revealed potential activities of crude essential oils in Pogostemon
benghalensis, P. purpurascens and P. vestitus. Essential oils
produced highest inhibition zones against Staphylococcus aureus
(39.33, 37.33 and 35.67 mm for P. benghalensis essential oil) and Candida
albicans (34.33, 26.33 and 17.67 mm for P. purpurascens essential
oil) among bacteria and fungi respectively, when compared with pure reference
standards (35 mm for Gentamycin sulphate (40 mg ml-1) against S. aureus
and 30.33 mm for Nystatin [50 IU] against C. albicans). Results also
indicated the existence of potential antimicrobial activity of Pogostemon
essential oils against other microorganisms viz., Proteus vulgaris,
E. coli and Aspergillus parasiticus. Leaf essential oils of P.
purpurascens and P. benghalensis can be considered as a new source
for developing local antifungal and antibacterial agents. An attempt was made
to highlight the promising plant species for further investigation which
leads to drug development.
Antifungal, Antimicrobial, Lamiaceae, Pogostemon
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