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. 2020 Apr 3;20:103. doi: 10.1186/s12906-020-02888-6

Table 3.

Antibacterial activity (Diameter of the inhibition zone) of the 5 Tunisian Lamaiaceae plants essential oils and antibiotic *)

Essential oils	Microorganisms
	E. coli Ecol	S. enterica Sent	P. aeruginosa Paer	B. subtilis Bsub	S. aureus Saur
S. officinalis	11.3^a ± 1.2	7.7^a ± 1.2	7.0^a ± 1.0	17.3^b ± 0.6	8.3^a ± 0.6
T. capitatus	20.3^d ± 0.6	20.0^d ± 1.0	20.3^d ± 0.6	30.0^e ± 1.0	15.0^c ± 1.0
R. officinalis₁	11.0^a ± 1.0	8.7^a ± 0.6	8.3^b ± 0.8	19.3^c ± 1.2	10.0^ab ± 1.7
R. officinalis₂	15.3^b ± 0.6	7.7^a ± 1.2	6.0^a ± 0.0	25.3^d ± 0.6	10.3^ab ± 0.6
O. majorana	14.0^b ± 1.0	14.0^b ± 1.0	6.3^a ± 0.6	6.0^a ± 0.0	12.0^b ± 1.0
Gentamicine®	17.3^c ± 0.6	17.3^c ± 0.6	16.0^c ± 1.0	24.3^d ± 1.2	21.7^d ± 1.5

*Values are means (mm. ± SD) of the triplicate determination

*Values with different letters differ significantly by SNK test (p < 0.05)