Research Article

Phytochemical Study and Antibacterial and Antibiotic Modulation Activity of Punica granatum (Pomegranate) Leaves

Table 3

Antibacterial activity of P. granatum leaf extracts by microdilution method: Minimal Inhibitory Concentration was expressed in mg/mL (diameters of inhibition zones were measured in millimeter scale).

ExtractStaphylococcus aureusEscherichia coli
Standard strain ATCC 25923Penicillin-resistant strainMethicillin-resistant strainStandard strain ATCC 25922Penicillin-resistant strainMultidrug-resistant strain

Hexane extract>5 (-)>5 (-)>5 (-)>5 (-)>5 (-)>5 (-)
Chloroform extract5 (-)>5 (-)>5 (-)2.5 (-)2.5 (-)5 (-)
Ethyl acetate extract5 (-)>5 (-)2.5 (8)2.5 (8)>5 (-)5 (-)
Ethanol extract2.5 (17)2.5 (14)2.5 (8)2.5 (13)5 (13)5 (-)
Aqueous extract2.5 (19)5 (15)5 (10)1.25 (13)5 (14)5 (12)
TOF extract0.625 (14)2.5 (15)1.25 (17)0.625 (16)2.5 (12)5 (12)
Amoxicillin0.0010.0640.1280.0010.2560.512
Cefotaxime0.0010.0020.1280.0010.0010.512