Table 5.

Antibacterial activity (MIC’s) of S. guyoniana and M. aquatica extracts.

	MIC (μg/mL)a
Microorganisms	BESGb	CESGb	MEMAb	MERMAb	Ampicillinc
E. coli ATCC 25922d	128 ± 1.20	64 ± 0.60	–	128 ± 0.40	8 ± 0.40
S. aureus ATCC 43300d	32 ± 0.90	128 ± 1.10	128 ± 1.30	128 ± 0.80	4 ± 0.10
P. aeruginosaATCC 27853d	–	–	128 ± 0.50	128 ± 1.60	–
S. heidelberg (HS)e	128 ± 1.10	128 ± 0.80	128 ± 0.90	64 ± 0.70	–
K. pneumoniae (HS)e	128 ± 1.00	128 ± 0.60	128 ± 2.00	64 ± 1.00	32 ± 0.40
E. aerogenes (HS)e	32 ± 0.70	128 ± 1.00	128 ± 1.40	128 ± 0.80	32 ± 0.60
M. morganii (HS)e	–	–	64 ± 1.40	128 ± 0.90	–

^aValues are mean ± SD (n = 3).

^b128 μg/mL.

^c30 μg/mL.

^dReferenced strain (Pasteur Institute-Algiers).

^eHospital strain (clinically isolated, CHU-Constantine).