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Figure 6 | BMC Complementary and Alternative Medicine

Figure 6

From: Comparison of the antibacterial activity of essential oils and extracts of medicinal and culinary herbs to investigate potential new treatments for irritable bowel syndrome

Figure 6

Antibacterial activity of lemon balm extracts. Graph showing mean halo diameters +/- SEM obtained from three separate disc diffusion experiments to determine the effect of lemon balm extracts made with various solvents on the growth of E. coli. Significance levels obtained from two-tailed t tests are denoted by stars: * = Significant, P < 0.05; ** = highly significant, P < 0.01; *** = very highly significant, P < 0.001. Significance levels for disc diffusion assays with lemon balm essential oil were not determined.

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