For this reason, the present study was carried out using whole essential oils. Also, since Pseudomonas putida, one of the most important spoilage bacteria in meat, was seldom included in previous antimicrobial studies of essential oils, this strain was used to evaluate the antibacterial activity of sixty standardized and commercially essential oils with known concentration of each active components. The minimum inhibitory concentration (MIC) and maximal tolerated concentration (MTC) of tested essential oils were determined using the agar dilution method.