Fig. 2

Antimicrobial activity of β-casein 197. a After incubation at 37 °C for 24 h, bacterial viability of E. coli, S. aureus, Y. enterocolitica, L. monocytogenes, K. pneumonia and B. subtilis after treatment with different concentrations of β-casein 197. b Inhibition zone diameters of E. coli, S. aureus and Y. enterocolitica. NC native control