Antibacterial Activity and Chemical Composition of Ajowan (Carum copticum Benth. & Hook) Essential Oil

Gh Goudarzi, M Saharkhiz, M Sattari, K Zomorodian, Bacteriology¸medical Bacteriology¸medical, School¸lorestan School¸lorestan
2011 J. Agr. Sci. Tech   unpublished
Gas chromatography (GC) and gas chromatography mass spectrometry (GC-MS) were employed to determine the chemical composition of essential oil obtained from dry fruits of Carum copticum. Thymol (36.7%), γ γ γ γ-terpinene (36.5%) and ρ ρ ρ ρ-cymene (21.1%) were found to be the major constituents of the oil. The anti-bacterial activities of the oil were mainly investigated against food poisoning bacteria (Salmonella thyphimorium, Pseudomonas aeruginosa, Entero-pathogenic Escherichia coli, and
more » ... chia coli, and Staphylococcus aureus) by broth microdilution and agar diffusion methods. The oil exhibited significant anti-bacterial activities against all the examined bacteria. In conclusion, the results of this study showed that the oil of Ajowan is rich in monoterpenes and it may be used as a natural anti-bacterial agent in drug and food industries.
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