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Essential oil constituents and antimicrobial activities of Iranian Satureja khuzistanica Jamzad

Leila Ghodrati, Ardalan Alizadeh, Saghar Ketabchi

Department of Horticulture, Shiraz Branch, Islamic Azad University, Shiraz, Iran

Department of Horticulture (Medicinal and Aromatic Plants), Estahban Branch, Islamic Azad University, Estahban, Iran

Department of Plant Pathology, Shiraz Branch, Islamic Azad University, Shiraz, Iran

Young Research Club, Estahban Branch, Islamic Azad University, Estahban, Iran

Key words: Essential oil, carvacrol, Satureja khuzestanica, disc diffusion method.


essential-oil-7Satureja khuzestanica Jamzad is an endemic medicinal plant that grows wild in Iran. Essential oil composition and antimicrobial activity of S. khuzistanica was investigated. The essential oils was obtained by hydro distillation using Clevenger and analyzed by gas chromatography/mass spectrometry )GC/MS(. Forty-four components were identified in S. khuzistanica essential oil. The total represented 99.98% of the oil that major components were identified, carvacrol )92.16%(. As study of antimicrobial effects of the essential oil of S. khuzistanica was against one Gram-negative bacteria )Escherichia coli( and yeast )Candida albicans( and three Gram-positive bacteria )Staphylococcus aureus, Bacillus cereus, Staphylococcus epidermidis(, in a test based on randomized complete design )RCD( factor with three replication at two method, micro-broth dilution and disc diffusion method. Results showed the highest antimicrobial activities of essential oil of S. khuzistanica on microorganism’s was investigated. Antimicrobial activity of S. khuzistanica essential oil on C.albicans yeast more than B. cereus bacteria and it was less than S. epidermidis, E. coli bacterias. The inhibition zones values for bacterial strains, which the essential oils of S. khuzestanica were sensitive in the range of 6.34–54.4 mm and 0.097-0.390 mg/ml, showed effective the oil of S. khuzistanica on Gram-positive bacteria and yeast instead Gram-negative bacteria.

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