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Abstract

The concentrated natural plant extracts are important sources of oils, which were proven to be good bioactive compound sources with antimicrobial and antioxidative characteristics. The current study aims to study the antimicrobial actions of public extracts of some commercial essential oils sold in market agaisnt a panel of some gram negative and positive clinicaly isolated bacteria. İn our study, fifteen types of commerical extracts were sold from local market and their antimicrobial action was tested against Pseudomonas. aeruginosa, Klebsiella. pneumoniae, Proteus. vulgaris, Escherichia. coli, Staphylococcus. aureus, Streptococcus. agalactiae and Enterococcus. faecalis. All the selected pathogens were tested for antibiotic senesitivty profile with 16 types and differet classes of antiobiotics using the Kirby-paur method, and the diffusion method was used for evaluation the antimicrobial action of the selected 15 commercial oil extracts and the inhition zone of each test was recorded in millimetres. Oregano, glycerine and mustard were the most effeccive oils, Shea Butter and Linseed were the less effective against the studied bacteria. The majority of sensitive bacteria were Gram-negative bacilli such as K. pneumoniae, P. vulgaris and E. coli, while the S. auerus which is Gram-positive cocci bacteria also showed high sensitivity. The current findings suggested the importantce of essential oils as an alternative for using of antibiotics due to their antibacterial activity and this may aid in antimicrobial fight.

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