The study tested the properties of the herbs that are effective in inhibiting pathogenic bacteria in food. The herbs used in this study, all four types of clove, lemongrass Makewg and I compete Temple, which is used to extract the oils and test to see effect of inhibition of bacteria and seven species, including Listeria monocytogenes DMST 17303, Listeria. monocytogenes DMST 23145th, Salmonella typhimurium DMST 22842, Salmonella choleraesuis DMST 8014, Shigella sonnei DMST 561, Pseudomonas aeruginosa
DMST 4739, and Vibrio cholera DMST 2873 with Agar disc diffusion results showed that essential oils extracted from lavender effective deterrent. infected with L. monocytogenes DMST 17303, L. monocytogenes DMST 23145, S. typhimurium DMST 22842 and V. cholera DMST 2873 was the best by a display with an average diameter of inhibition is equal to 20.90, 21.44, 24.62 and 51.58 respectively oil. aroma of cloves is effective in inhibiting infection by S. choleraesuis DMST 8014 best display with an average diameter of 19.15 mm and inhibition is equal to the interest that the essential oil extracted from clove, lemongrass, Makewg. Ma Temple and competition can inhibit the growth of bacteria S. typhimurium DMST 22842, which is an infection resistant to Tetracycline When the tests to determine the minimum inhibitory concentration (MIC) and the lowest concentration of oil. Essential bactericidal (MBC) with Microdilution assay showed that Clove has the best performance compared to the other three kinds of herbs.
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