Supernatant Residual activity (%)*
Neutralized + catalase (N+C) 100**
N+C + pepsin 0
N+C + trypsin 0
N+C + α-chymotrypsin 0
N+C + lipase 100
N+C + α-amylase 100
10 and 20% hexadecane 100
10 and 20% ethyl acetate 75
10% chloroform 55
20% chloroform 31
10 and 20% ethanol 22
Table 1: Effect of chemical treatments on bacteriocin activity; *Percentage of the inhibitory activity on L. monocytogenes growth; **100%=61,440 AU/mL (control).