Antibacterial Activity of Ethanolic Extract of Syzygium polyanthum L. (Salam) Leaves against Foodborne Pathogens and Application as Food Sanitizer

Table 1

Inhibition zone of S. polyanthum L. leaves extract against foodborne pathogens.

Strains	Inhibition zone (mm)
	S. polyanthum extract	CHX	DMSO
E. coli O157:H7			n.a
K. pneumoniae			n.a
L. monocytogenes			n.a
P. aeruginosa			n.a
P. mirabilis			n.a
S. aureus			n.a
S. typhimurium			n.a
V. cholerae			n.a
V. parahaemolyticus			n.a

n.a: no activity; diameter of inhibition zones in mm (including disc); positive control (chlorhexidine: CHX; 0.1%); negative control (DMSO; 10%); results were expressed as means ± standard deviation (SD); = 3 × 3.