Table 5.

Effect of in vitro gamma irradiation on MIC of different antibiotics alone or combined with permeabilizers of non-beta lactamase producer bacterial isolates

Antibiotics	MICs (mg/L) before irradiation			MICs (mg/L) after irradiation
Bacterial species	Ab-Alone	+Gallic acid	+Thymol	Alone	+Gallic acid	+Thymol
Escherichia coli 3
CTX	64	8	4	64	8	4
CFP	64	16	16	128	32	32
E	128	32	32	256	64	64
Acinetobacter baumannii 5
CTX	32	8	8	32	8	8
CFP	32	8	8	64	16	16
E	64	32	16	128	64	32
Pseudomonas aeruginosa 10
CTX	128	32	32	128	32	32
CFP	128	32	32	256	64	64
E	128	128	64	256	256	128
Enterobacter sakazakii 14
CTX	8	2	4	8	2	4
CFP	32	16	8	32	16	8
E	64	16	16	64	16	16

CTX Cefotaxime, CFP Cefoperazone, E Erythromycin