Table 2.

Inhibition zones of different A. altissima extracts against pathogenic bacteria.

Origin	Concentration	S. aureus	S. epidermidis	E. coli	P. aeruginosa
Blida	150 (mg/mL)	10.33 ± 0.75	10.33 ± 0.57	7.66 ± 0.56	6.66 ± 0.57
	300 (mg/mL)	11.33 ± 0.76	10 ± 1.01	8.66 ± 0.58	9 ± 0.02 **
Tlemcen	150 (mg/mL)	10.33 ± 0.57	10.33 ± 0.58	6.66 ± 0.55	7.33 ± 0.56
	300 (mg/mL)	11 ± 1.02	11.66 ± 0.56 *	7.66 ± 0.54	9.33 ± 0.53 *
Bizerte	150 (mg/mL)	8 ± 0.03	10.33 ± 0.58	5.66 ± 0.56	7.33 ± 0.55
	300 (mg/mL)	9.6 ± 0.58 **	11.33 ± 0.56	7.66 ± 0.57	8.66 ± 0.57
Sousse	150 (mg/mL)	11.66 ± 0.56	11 ± 1.02	6.33 ± 0.54	8 ± 0.03
	300 (mg/mL)	14 ± 1.01 *	13 ± 1.03	7.33 ± 0.57	9.33 ± 0.58 *
GEN	10 (µg/mL)	24	24	25	22

Comparison between increasing concentrations of leaf extracts from each studied region was performed using the unpaired two-tailed Student’s t-test. * p < 0.05 and ** p < 0.01 significantly different from the 150 mg/mL concentration. GEN: gentamicin antibiotic.