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Effect of LGEO on Salmonella Heidelberg [(A) S. Heidelberg 466 and (B) S. Heidelberg 1904] growth in TSB at 0, 8, and 24 h after incubation at 37°C (means* ± SEM; n = 8/treatment). a – f Treatments within each sampling time that lack common superscripts differ significantly from one another (P≤ 0.05). * least square means. Abbreviations: LG, lemongrass essential oil; ETH, ethanol control; SH, Salmonella Heidelberg; TSB, Tryptic Soy Broth.
