Table 2.

Effect of enzymes, solvents and heat on the anti-Listeria activity

Treatment	Activity on plate assaya
None	10
Trypsinb	0
Proteinase Kb	0
DNaseb	10
Ribonuclease Ab	10
Acetonec	10
Ethyl alcoholc	10
Chloroformc	10
Toluenec	10
15 min 60 °C	10
15 min 80 °C	10
15 min 100 °C	8

^a Diameter (mm) of the inhibition halo in plate assay

^b Enzyme concentration was 100 µg/ml

^c A 10% (v/v) concentration was used