Table 3. The antimicrobial activity of the catalase-treated cell-free culture supernatant (KT38-3-CFS, pH=6.5) obtained from Lactobacillus brevis KT38-3-against the indicator test bacteria, which was determined with the agar well diffusion assay

Indicator strains	Inhibition zone diameter (in mm) of KT38-3-CFS
Escherichia coli (LMG 8223)1)	−
Escherichia coli O157:H7 (ATCC 35150)2)	−
Pseudomonas aeruginosa (ATCC 2783)2)	−
Salmonella sp.3)	−
Staphylococcus aureus (ATCC 25923)2)	20±0.6
Micrococcus luteus (NRRL 1018)4)	23±1.0
Listeria monocytogenes (LMG 13305)1)	−
Ententerococcus faecium (NRRL 2354)4)	−
Bacillus cereus (LMG 8821)1)	−
Bacillus subtilis (NRRL NRS 744)4)	−
Staphylococcus epidermidis 10.15) (M-R)6)	17±0.6
Staphylococcus warneri 14.25) (M&V-R)6)	16±1.0
Staphylococcus aureus 40.25) (M&V-R)6)	−
Staphylococcus haemolyticus 39.15) (M&V-R)6)	−
Staphylococcus epidermidis 48.25) (M&V-R)6)	18±0.6
Staphylococcus hominis 9.35) (V-R)6)	−

BCCM/LMG, Bacteria Collection. Laboratorium Voor Microbiologie-Universiteit Gent, Gent-Belgium.
ATCC, American Type Culture Collection, Manassas, VA 20110-2209, USA.
Obtained from Eskisehir Osmangazi University, Faculty of Medicine, Eskisehir-Turkey.
NRRL, Agricultural Research Service, Culture Collection, Peoria. IL 61604, USA.
Obtained from Anadolu University, Faculty of Science, Eskisehir-Turkey.
M-R, methicillin-resistant; V-R, vancomycin-resistant; M&V-R, methicillin and vancomycin-resistant.
−, no inhibition.