Chemical composition and possible use as adjuvant of the antibiotic therapy of the essential oil of Rosmarinus officinalis L

Source: http://www.freedomflowers.co.uk/images/rosemary%20flower.jpg. •The rosemary essential oil can be used to enhance the antibiotic activity of antibiotics.•The rosemary essential oil can be used to combat the multidrug resistant bacteria.•The main compound observed was the 1,8-cineole. Rosmarin...

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Published in:	Industrial crops and products Vol. 59; pp. 290 - 294
Main Authors:	Barreto, Humberto M., Silva Filho, Edson C., Lima, Edeltrudes de O., Coutinho, Henrique D.M., Morais-Braga, Maria F.B., Tavares, Cícera C.A., Tintino, Saulo R., Rego, Juciane V., de Abreu, Aislan P.L., Lustosa, Maria do Carmo Gomes, Oliveira, Roger Wallacy Guimarães, Citó, Antonia M.G.L., Lopes, José Arimatéia Dantas
Format:	Journal Article
Language:	English
Published:	Elsevier B.V 01-08-2014
Subjects:	Candida Candida krusei Drug resistance modifying activity Escherichia coli Essential oil Lamiaceae Rosemary Rosmarinus officinalis Rosmarinus officinalis L Staphylococcus aureus Rosemary Lamiaceae Essential oil Drug resistance modifying activity Rosmarinus officinalis L
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Summary:	Source: http://www.freedomflowers.co.uk/images/rosemary%20flower.jpg. •The rosemary essential oil can be used to enhance the antibiotic activity of antibiotics.•The rosemary essential oil can be used to combat the multidrug resistant bacteria.•The main compound observed was the 1,8-cineole. Rosmarinus officinalis L. (rosemary) essential oil (REO) was tested for its antimicrobial activity alone and in combination with conventional antibiotics used against Staphylococcus aureus, Escherichia coli, and Candida strains. The essential oil was chemically described using GC–MS analysis and its antibiotic-resistance modifying activity was assayed using microdilution method. A significant modulatory effect on the drug resistance was verified when the REO was used in association with aminoglycoside antibiotics against E. coli and S. aureus multidrug resistant strains. With respect to the antifungal tested, there was a decrease on amphotericin B activity when this antibiotic was tested in association with the REO against Candida krusei. On the other hand, the combined use of the REO with benzoilmetronidazole was more effective than the antibiotic alone when tested against C. krusei. Rosemary essential oil could become a promising source of metabolites with antibiotic-resistance modifying activity for use against multi-drug-resistant microorganisms.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0926-6690 1872-633X
DOI:	10.1016/j.indcrop.2014.05.026