| LB | Luria–Bertani |
| AUTO | Autoclaved glass bottle treatment group |
| NON-AUTO | Non-autoclaved glass bottle treatment group |
| PLASTIC | Non-autoclaved plastic bottle treatment group |
| NG | No growth |
| LB | Luria–Bertani |
| AUTO | Autoclaved glass bottle treatment group |
| NON-AUTO | Non-autoclaved glass bottle treatment group |
| PLASTIC | Non-autoclaved plastic bottle treatment group |
| NG | No growth |