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Chemical composition and antifungal activity of rosemary (Rosmarinus officinalis L.) oil from Turkey
Scopus
Toplam 149 atıf DOI
The essential oil of the aerial parts of Rosmarinus officinalis collected from Konya, Turkey was analysed by gas chromatography and gas chromatography-mass spectrometry. The oil yield of dried plant (volume/ dry weight) obtained by hydrodistillation was 1.9%. Twenty compounds representing 99.93% of the oils were identified. The main constituents of the oils were p-cymene (44.02%), linalool (20.5%), γ-terpinene (16.62%), thymol (1.81%), β-pinene (3.61%), α-pinene (2.83%) and eucalyptol (2.64%). The oil consisted of monoterpenic hydrocarbons, oxygenated monoterpenes and sesquiterpene hydrocarbons. Also, the inhibition effect of rosemary oil was investigated against Alternaria alternata, Botrytis cinerea and Fusarium oxysporum. The experiment was carried out in vitro using disc diffusion to investigate the antifungal action of the oil. Oil tested on potato dextrose agar plates exhibited an inhibitory effect. The extent of inhibition of fungal growth varied depending on the levels of essential oil used in experiment.
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Inhibitory effect of some spice essential oils on growth of some gram-negative and gram-positive bacteria and a yeast
Scopus
Havuzumuzda 4 atıf almış
Disk diffusion method to determine antimicrobial activity of plant essential oils was used. While the essential oil extracted from oregano has a high effect on nine of our test microorganisms (75%), one of them had a medium effect and two of them had a weak effect in the test results. While the essential oil obtained from thyme was effective on VRE, MSSA, Escherichia feacalis, and Staphylococcus epidermidis, it was not effective on Salmonella enteritidis, Pseudomonas aeruginosa, and Candida albicans. The most effective essential oils on microorganisms were oregano, thyme, and lavandula oils. The essential oils were more effective to MSSA, VRE, E. feacalis, and S. epidermidis. In our study, we aimed to shed light on the beneficial use of herbal products for human health. The pandemic process has shown the importance of fight against pathogenic microorganisms. We believe that this study will contribute to conservation medicine. Practical applications: In recent years, plant products such as exytract, essential, oleoresin oil, etc. have become crucial due to the rapid resistance microorganisms have built to antibiotics. Essential oils have been generally used in cosmetics, medicine, and food industries. Also, the volatile compounds obtained from plants have antimicrobial, antifungal, and insecticidal effects. The antimicrobial activity of essential oil is fundamentally attributed to its main components, but the synergistic or antagonistic effect of a compound in the small percentage of the mixture must be taken into consideration.
Atıf Yapan Makale Bilgileri
Kurumlar (1)
Selçuk Üniversitesi
Selçuklu, Turkey