Table 1 Indicator strains, growth media and sensitivities to Leuconostoc lactis SD501 cell-free supernatant

Indicator organism	Media	Inhibition zone*	Temperature (℃)
Gram-positive
Listeria monocytogenes ATCC 19114	TSB	+++	25
Enterococcus faecalis (VRE) CCARM 0011	NB	+	37
Bacillus licheniformis KCCM 12145	NB	−
Bacillus cereus KCTC 1661	LB	−
Streptococcus agalactiae ATCC 13813	TSB	−
Staphylococcus aureus KFRI 00188	NB	−
Staphylococcus subsp. aureus (MRSA) KCCM 40510	NB	−
Gram-negative
Escherichia coli K88	LB	−	37
Salmonella gallinarum KVCC-BA0700722	NB	−
Pseudomonas aeruginosa KCCM 11266	NB	−
Shigella flexneri KCCM 40414	NB	−
Klebsiella pneumoniae KCCM 11418	NB	−
Fungi
Candida albicans KCTC 7122	PDA	−	30

^* Activity is expressed based on the diameter of the inhibition zone around the well. Degrees of inhibition around the well: −, no inhibition; +, up to 5 mm; +++, up to 20 mm.
ATCC, American Type Culture Collection; CCARM, Culture Collection of Antimicrobial Resistant Microbes; KCCM, Korean Culture Center of Microorganisms; KCTC, Korean Collection for Type Culture; KFRI, Kerala Forest Research Institute; KVCC, Korea Veterinary Culture Collection; TSB, tryptic soy broth; NB, nutrient broth; LB, Luria-Bertani; PDA, potato dextrose agar.