Table 3. Antimicrobial spectrum of bacteriocin from Lactococcus lactis CAU2013

Indicator strain	Inhibition activity
Gram positive
Listeria monocytogenes ATCC 15315	+
L. monocytogenes ATCC 7644	++
L. monocytogenes ATCC 19111	+
L. monocytogenes ATCC 19114	++
L. monocytogenes ATCC 19115	++
Staphylococcus aureus RN6390	+
Gram negative
Salmonella enteritidis YHS 383	–
Escherichia coli ATCC 25922	–

+, <10 mm; ++, >10 mm; –, no inhibition zone.