In Vitro and In Vivo Antibacterial Activity of Punica granatum Peel Ethanol Extract against Salmonella

Table 2

Antimicrobial activity (as inhibition zone diameters) of PGPE and ampicillin (APCL) against 16 strains of Salmonella.

Strain	Serotypes	Diameter of clear zone (mm)
		PGPE			APCL^a
		100 μg	200 μg	500 μg	10 μg
JOL 380	S. typhi ATCC 19943	13.3 ± 1.1	16.3 ± 1.5	17.3 ± 1.1	34.2 ± 1.0
JOL 381	S. paratyphi A	14.3 ± 0.5	15.6 ± 1.1	18.6 ± 1.1	28.5 ± 1.1
JOL 386	S. enteritidis	9.0 ± 1.0	12.6 ± 1.5	14.3 ± 1.1	31.1 ± 0.3
JOL 387	S. typhimurium	9.6 ± 0.5	11.6 ± 0.5	14.6 ± 0.5	27.5 ± 1.0
JOL 388	S. typhimurium	11.0 ± 1.0	14.0 ± 1.0	15.0 ± 1.0	26.0 ± 1.0
JOL 389	S. typhimurium	9.0 ± 1.0	12.0 ± 1.0	12.6 ± 0.5	ND
JOL 407	S. enteritidis	9.3 ± 1.1	12.3 ± 0.5	14.6 ± 0.5	26.7 ± 1.2
JOL 408	S. typhimurium	8.6 ± 1.1	10.6 ± 0.5	14.0 ± 2.0	30.2 ± 0.5
JOL 409	S. dublin ATCC 39184	8.0 ± 0.0	10.0 ± 0.0	13.3 ± 0.5	27.0 ± 1.1
JOL 410	S. derby ATCC 6960	10.0 ± 0.0	12.0 ± 0.0	14.3 ± 0.5	25.6 ± 1.1
JOL 411	S. choleraesuis ATCC 7001	11.6 ± 0.5	15.6 ± 1.0	16.0 ± 0.0	11.2 ± 1.0
JOL 419	S. gallinarum	12.3 ± 0.5	16.0 ± 1.0	16.6 ± 1.1	27.3 ± 1.5
JOL 420	S. gallinarum	16.0 ± 0.0	16.0 ± 0.7	17.6 ± 0.5	25.8 ± 1.1
JOL 421	S. gallinarum	11.3 ± 0.5	15.0 ± 0.0	16.3 ± 0.5	25.2 ± 0.3
JOL 422	S. gallinarum	12.0 ± 0.0	14.0 ± 1.7	16.0 ± 1.0	28.5 ± 0.5
JOL 423	S. gallinarum ATCC 9184	7.6 ± 0.5	10.0 ± 0.0	13.3 ± 1.1	ND

Data shown represent the mean ± SE of three experiments that consisted of three replicates. ND, No activity detected.
^aPositive control.