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Effect of Eucalyptus Essential Oil on Respiratory Bacteria and Viruses.

Authors :
Cermelli, Claudio
Fabio, Anna
Fabio, Giuliana
Quaglio, Paola
Source :
Current Microbiology; Jan2008, Vol. 56 Issue 1, p89-92, 4p, 1 Chart, 1 Graph
Publication Year :
2008

Abstract

The activity of Eucalyptus globulus essential oil was determined for 120 isolates of Streptococcus pyogenes, 20 isolates of S. pneumoniae, 40 isolates of S. agalactiae, 20 isolates of Staphylococcus aureus, 40 isolates of Haemophilus influenzae, 30 isolates of H. parainfluenzae, 10 isolates of Klebsiella pneumoniae, 10 isolates of Stenotrophomonas maltophilia and two viruses, a strain of adenovirus and a strain of mumps virus, all obtained from clinical specimens of patients with respiratory tract infections . The cytotoxicity was evaluated on VERO cells by the MTT test. The antibacterial activity was evaluated by the Kirby Bauer paper method, minimum inhibitory concentration, and minimum bactericidal concentration. H. influenzae, parainfluenzae, and S. maltophilia were the most susceptible, followed by S. pneumoniae. The antiviral activity, assessed by means of virus yield experiments titered by the end-point dilution method for adenovirus, and by plaque reduction assay for mumps virus, disclosed only a mild activity on mumps virus. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
03438651
Volume :
56
Issue :
1
Database :
Complementary Index
Journal :
Current Microbiology
Publication Type :
Academic Journal
Accession number :
27978014
Full Text :
https://doi.org/10.1007/s00284-007-9045-0