Table 3.
Effect of different enzyme treatments on antibacterial activity
| Enzyme type | Inhibition zone diameter of lactic acid bacteria (mm) | ||
|---|---|---|---|
| Strain 1 | Strain 12 | Strain 24 | |
| Catalase | 18.45±0.18a | 17.88±0.25a | 23.57±0.79a |
| Pepsin | 12.66±0.29c | 18.08±0.23a | 15.25±0.71bc |
| Trypsin | 11.82±0.27c | 17.57±0.29a | 13.66±0.39cd |
| Papain | 14.00±0.18b | 17.99±0.46a | 16.32±0.41b |
| Proteinase K | 12.04±0.63c | 17.87±0.28a | 13.35±0.09d |
| Control | 20.59±0.30a | 18.56±0.23a | 25.14±0.46a |
The diameter of the Oxford cup was 8 mm. Data are expressed as mean±standard deviation (n=3). Different letters in column indicate significant difference (P<0.05) among enzyme types.