Table 4.
Antibacterial and antifungal effects of water and ethanol extracts of Alder acorns.
| Bacterial or Fungal Growth Inhibition Zone (mm) | ||||||
|---|---|---|---|---|---|---|
| Strains | Water Extract Dilution | Ethanol Extract Dilution | ||||
| 1:1 | 1:5 | 1:10 | 1:20 | 1:40 | 1:80 | |
| Escherichia coli PCM 2057 | 6 mm (clear zone) | 6 mm | 3 mm | 6 mm (clear zone) | 0 | 0 |
| (21 mm opaque) | ||||||
| Pseudomonas aeruginosa PCM 2058 | 0 | 0 | 0 | 0 | 0 | 0 |
| Pseudomonas aeruginosa PCM 499 | 0 | 0 | 0 | 0 | 0 | 0 |
| Proteus mirabilis PCM 2958 | 0 | 0 | 0 | 0 | 0 | 0 |
| Citrobacter freundii PCM 2959 | 0 | 0 | 0 | 0 | 0 | 0 |
| Staphylococcus aureus PCM 2054 | 12 mm clear zone | 11 mm (opaque) | 4 mm (opaque) | 5 mm (clear zone) | 5 mm (opaque) | 0 |
| Streptococcus mutans ATCC 25175 | 0 | 0 | 0 | 0 | 0 | 0 |
| Bacillus subtilis PCM 2021 | 6 mm clear zone | 11 mm (opaque) | 0 | 5 mm (clear zone) | 4 mm (clear zone) | 0 |
| (21 mm opaque) | ||||||
| Candida albicans ATCC 90028 | 6 mm (opaque) | 0 | 0 | 4 mm opaque | 0 | 0 |
| Candida glabrata PCM 2703 | 12 mm (opaque) | 11 mm (opaque) | 4 mm (opaque) | 6 mm opaque | 5 mm (opaque) | 0 |
| Ethanol dilution equivalent | 0 | 0 | 0 | |||