Antimicrobial activities of methanol extracts and essential oils of Rosmarinus officinalis, depending on location and seasonal variations

Antimicrobial activities of methanol extracts and essential oils of Rosmarinus officinalis, depending on location and seasonal variations

Rosmarinus officinalis is widely found in the lands of Aegean and Mediterranean regions of Turkey. The goal of this work was to test the antimicrobial activity of the essential oils and methanolic extracts of R. officinalis collected from three different regions at four different time intervals of t...

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Bibliographic Details
Published in:Food chemistry Vol. 100; no. 2; pp. 553 - 559
Main Authors: Celiktas, O. Yesil, Kocabas, E.E. Hames, Bedir, E., Sukan, F. Vardar, Ozek, T., Baser, K.H.C.
Format: Journal Article
Language:English
Published: Elsevier Ltd 2007
Subjects:
aerial parts
antibacterial properties
antifungal properties
Antimicrobial activity
Bacillus subtilis
bacteria
Candida albicans
Enterococcus
Escherichia coli
Essential oil
essential oils
fungi
GC–MS
geographical variation
Klebsiella
minimum inhibitory concentration
pathogens
plant extracts
Proteus vulgaris
Pseudomonas aeruginosa
rosemary
Rosmarinus officinalis
seasonal variation
specialty crops
Staphylococcus aureus
Staphylococcus epidermidis
Turkey (country)
Antimicrobial activity
GC–MS
Essential oil
Rosmarinus officinalis
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Summary:Rosmarinus officinalis is widely found in the lands of Aegean and Mediterranean regions of Turkey. The goal of this work was to test the antimicrobial activity of the essential oils and methanolic extracts of R. officinalis collected from three different regions at four different time intervals of the year against Staphylococcus aureus, Proteus vulgaris, Pseudomonas aeruginosa, Klebsiella pneumonia, Enterococcus feacalis, Escherichia coli, Staphylococcus epidermidis, Bacillus subtilis and Candida albicans. Essential oils were obtained from the aerial parts of the plant by using a Clevenger apparatus, for 4 h. After distillation, the distillates were filtered, air-dried and then extracted by using a Soxhlet apparatus for 9 h to obtain the methanolic extracts. The antimicrobial activities of the methanolic extracts were tested by the disc diffusion technique. The antimicrobial activities of the essential oils obtained from R. officinalis were determined by minimum inhibitory concentration (MIC).The results indicated that the tested bacteria were sensitive to the essential oils and partially to the methanolic extracts. The antimicrobial activities of the essential oils against the tested bacteria differed, depending on location and seasonal variations.
Bibliography:http://dx.doi.org/10.1016/j.foodchem.2005.10.011
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0308-8146
1873-7072
DOI:10.1016/j.foodchem.2005.10.011