Table 4. Antibacterial activities of fermented licorice extracts against lactic acid bacteria
| Strain | Clear zone on plate (mm) |
| Control | Fermented licorice(A. luchuensis) | Fermented licorice(A. oryzae) |
| DMSO |
| L. brevis | -1) | ++ (12.0) | + (10.0) |
| L. paracasei | - | ++ (11.5) | + (10.0) |
| L. plantarum | - | +++ (12.5) | ++ (11.0) |
| L. casei | - | +++ (13.5) | ++ (11.5) |
| Leu. citreum | - | +++ (14.5) | ++ (11.5) |
| P. pentosaceus | - | ++ (12.0) | - |
1)-, no inhibition (<8 mm); +, slight inhibition (8-10 mm); ++, moderate inhibition (10-12 mm); +++, strong inhibition (>12 mm).