Table 3.
Antimicrobial activity of bacteriocins (treated with different enzymes and organic solvents) against L. monocytogenes (inhibition zones were measured as mm±sd)
|
Enzymes and organic solvents |
Bacteriocin producing Lactobacillus sp. |
||||
|---|---|---|---|---|---|
|
C1(mm) |
C2 (mm) |
C3 (mm) |
C4 (mm) |
C5 (mm) |
|
|
Protease K |
5.5±0.5 |
6.0±0.4 |
6.5±0.5 |
7.0±0.4 |
7.5±0.5 |
|
Trypsin |
6.5±0.4 |
7.0±0.7 |
7.5±0.4 |
5.5±0.3 |
6.5±0.6 |
|
Amylase |
9.0±0.7 |
9.0±0.3 |
9.5±0.7 |
10.0±0.5 |
8.5±0.4 |
|
Ethanol |
7.0±0.6 |
6.0±0.7 |
6.5±0.4 |
7.0±0.3 |
8.0±0.6 |
|
Methanol |
8.5±0.6 |
7.5±0.4 |
7.0±0.6 |
8.0±0.7 |
7.5±0.5 |
|
Acetone |
7.5±0.3 |
7.0±0.6 |
8.0±0.4 |
9.0±0.5 |
8.5±0.6 |
|
n-butanol |
8.5±0.4 |
9.5±0.3 |
9.0±0.5 |
10.0±0.4 |
8.0±0.3 |
|
Control |
9.5±0.7 |
10.0±0.6 |
11.0±0.3 |
12.0±0.4 |
10.5±0.5 |
*mm: millimetre.
SD, standard deviation.