ORIGINAL ARTICLE
Antimicrobial activity of leaf and flower extracts of Lippia nodiflora L. (Verbenacea)
 
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1
Biology Department, Science and Research Branch, Islamic Azad University, Tehran, 141554933 Iran
2
Biology Department, Tehran North Branch, Islamic Azad University, Tehran, 1667934783 Iran
3
Biology Department, Science and Reseach Branch, Islamic Azad University, Tehran, 141554933 Iran
4
Biology Department, Roudehen Branch, Islamic Azad University, Roudehen, 3973188981 Iran
5
Microbiology Department, Tehran North Branch, Islamic Azad University, Tehran 1667934783 Iran
Submission date: 2011-12-21
Acceptance date: 2012-06-30
 
Journal of Plant Protection Research 2012;52(4):401–403
KEYWORDS:
TOPICS:
ABSTRACT:
Antimicrobial activities of the methanolic extracts from the leaves and flowers of Lippia nodiflora L. (Verbenaceae), were studied by the disk diffusion method. The extracts showed antimicrobial impact on bacteria such as Bacillus subtilis, B. cereus, Micrococcus luteus, Staphylococcus aureus, Pseudomonas aeruginosa, Klebsiella pneumonia, K. oxytoca and Esherichia coli as well as fungi such Aspergillus niger and Candida albicanse. The results showed that increasing concentrations of extracts increased the antimicrobial activities in all of the microorganisms. Bacteria were more sensitive than fungi, and gram positive bacteria were more sensitive than gram negative ones.
CONFLICT OF INTERESTS:
The authors have declared that no conflict of interests exist.
CORRESPONDING AUTHOR:
Alireza Iranbakhsh
Biology Department, Roudehen Branch, Islamic Azad University, Roudehen, 3973188981 Iran
 
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