Table 3.
Antibacterial activity of ethyl acetate extracts against fish pathogenic bacteria, measured diffusion assay.
| Fungal strain | Vibrio anguillarum | Aeromonas salmonicida | Yersinia ruckeri | |||
|---|---|---|---|---|---|---|
| Freshwater culture | Seawater culture | Freshwater culture | Seawater culture | Freshwater culture | Seawater culture | |
| Mycelium sterilium (KT03) | 13.3 ± 0.9 | 12.4 ± 0.5 | 10.4 ± 0.8 | 12.0 ± 1.4 | - | - |
| Aspergillus sp. (KT13) | 21.6 ± 0.8 | 17.8 ± 0.5 | 19.3 ± 1.0 | 16.9 ± 0.6 | - | - |
| Unidentified strain (KT15) | 16.3 ± 1.3 | - | 11.4 ± 1.3 | - | - | - |
| Mycelium sterilium (KT19) | 17.5 ± 0.6 | 18.3 ± 1.0 | 8.9 ± 0.3 | 16.0 ± 0.8 | - | 24.8 ± 1.0 |
| Lasiodiplodia theobromae (KT26) | 17.1 ± 1.0 | 10.9 ± 0.3 | 13.4 ± 0.5 | 7.3 ± 0.5 | 8.5 ± 0.6 | - |
| Epicoccum nigrum (KT28) | 15.0 ± 0.8 | 12.6 ± 0.8 | 8.0 ± 0.8 | 9.1 ± 0.6 | 8.3 ± 0.5 | - |
| Mycelium sterilium (KT29) | 17.0 ± 0.8 | 21.3 ± 1.0 | 12.8 ± 1.0 | 18.4 ± 2.3 | 7.0 ± 0.0 | - |
| Xylaria psidii (KT30) | 21.3 ± 1.0 | 16.3 ± 0.5 | 22.4 ± 1.7 | 9.3 ± 0.5 | 25.1 ± 0.6 | 8.1 ± 0.9 |
| Mycelium sterilium (KT31) | 18.8 ± 0.5 | 21.3 ± 1.0 | 19.3 ± 1.0 | 13.8 ± 0.3 | 10.6 ± 0.5 | - |
| Mycelium sterilium (KT32) | 14.0 ± 0.4 | 14.8 ± 0.6 | 13.8 ± 0.5 | 13.3 ± 1.0 | - | - |
| Coniothyrium sp. (KT33) | 18.9 ± 1.5 | 17.4 ± 0.5 | 10.8 ± 0.5 | - | - | - |
| Oxytetracycline (30 μg/disc) | 20.9 ± 1.0 | 20.9 ± 1.0 | 24.9 ± 0.6 | 24.9 ± 0.6 | 12.6 ± 0.5 | 12.6 ± 0.5 |
Extracts tested 2 mg/6 mm disc; Inhibition zone in mm including disc, expressed as Mean ± SD (n = 4);
-: No inhibition zone measured.