Advances in Microbiology

Volume 3, Issue 2 (June 2013)

ISSN Print: 2165-3402   ISSN Online: 2165-3410

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Action of Essential Oils Obtained from Baccharis coridifolia D. C. (Asteraceae-Astereae) on the Activity of Antibiotics

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DOI: 10.4236/aim.2013.32026    3,845 Downloads   6,351 Views  Citations

ABSTRACT

The aim of this study was to investigate the effects of Baccharis coridifolia essential oil on the Activity of Antibiotics. Assays were performed with ampicillin (10 μg), cephalothin (30 μg), chloramphenicol (30 μg), gentamicin (10 μg) and tetracycline (30 μg) alone and in combination with the essential oil (4% v/v) through the disk diffusion susceptibility test. The results showed the effects of essential oil on the activity of the antibiotics tested. Zones of inhibition of bacterial growth with different diameters were observed surrounding the antibiotic disks, whether or not they were impregnated with the essential oil. The occurrence of the synergistic or antagonistic effect was observed in both bacterial strains assessedStaphylococcus aureus (ATCC-25923) and Escherichia coli (ATCC-25922). These results show that the use of products derived from plants can, in some cases, interfere with the effectiveness of antibiotics during clinical therapy.

Share and Cite:

S. Onofre, M. Canton and P. Pires, "Action of Essential Oils Obtained from Baccharis coridifolia D. C. (Asteraceae-Astereae) on the Activity of Antibiotics," Advances in Microbiology, Vol. 3 No. 2, 2013, pp. 166-170. doi: 10.4236/aim.2013.32026.

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