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. 2018 Aug 2;13(8):e0201835. doi: 10.1371/journal.pone.0201835

Table 4. Antimicrobial activities for selected EOs.

Essential oil Mean a Standard Deviation Mean MIC a,b Mean MBC a,b MIC50 b MBC50 b MIC90 b MBC90 b
Teatree 12.4 1.8 1.9 3.8 2 4 2 8
Lemongrass 14.0 3.0 0.7 2.2 0.5 2 1 4
Lavender 10.4 1.5 1.5 7.1 2 >8 2 >8
Marjoram 12.0 2.0 1.8 2.7 2 2 4 4
Rosewood 15.1 3.0 0.5 1.3 0.5 2 1 4
Peppermint 12.5 2.7 1.4 5.2 2 8 2 >8

a) Mean of 51 clinical and 6 control strains.

b) Minimum inhibitory and bactericidal concentrations (% v/v)