Table 5.
Inhibition growth area [mm] of selected microorganisms by tested hop extracts.
| Microorganism | MW | MaW | LW | ME | MaE | LE | |
|---|---|---|---|---|---|---|---|
| 1 | Propionibacterium acnes ATTC 11827 | 9.0 ± 1.0 | 7.0 ± 1.0 | 6.0 ± 0.0 | na | na | na |
| 2 | Propionibacterium acnes clinical isolates | 7.0 ± 1.0 | 5.0 ± 0.0 | 5.0 ± 0.0 | na | na | na |
| 3 | Enterococcus faecium ATCC 27270 | 4.0 ± 0.0 | 2.0 ± 0.0 | 2.0 ± 0.0 | na | na | na |
| 4 | Enterococcus faecium clinical isolates | 2.0 ± 0.0 | 1.0 ± 0.0 | 2.0 ± 0.0 | na | na | na |
| 5 | Staphylococcus aureus ATCC 25923 | 39.0 ± 3.0 | 27.0 ± 2.0 | 18.0 ± 2.0 | 8.0 ± 1.0 | 4.0 ± 0.0 | 2.0 ± 0.0 |
| 6 | Staphylococcus aureus clinical isolates | 28.0 ± 2.0 | 22.0 ± 2.0 | 11.0 ± 1.0 | 4.0 ± 0.0 | 1.0 ± 0.0 | na |
| 7 | Staphylococcus epidermidis ATCC 12228 | 34.0 ± 2.0 | 31.0 ± 2.0 | 12.0 ± 1.0 | 6.0 ± 1.0 | 5.0 ± 0.0 | 2.0 ± 0.0 |
| 8 | Staphylococcus epidermidis clinical isolates | 25.0 ± 2.0 | 26.0 ± 2.0 | 8.0 ± 1.0 | 3.0 ± 0.0 | 3.0 ± 0.0 | 1.0 ± 1.0 |
| 9 | Streptococcus salivarius ATCC 13419 | 18.0 ± 2.0 | 15.0 ± 1.0 | 7.0 ± 1.0 | 5.0 ± 0.0 | 5.0 ± 0.0 | na |
| 10 | Streptococcus salivarius clinical isolates | 13.0 ± 2.0 | 11.0 ± 1.0 | 4.0 ± 0.0 | 2.0 ± 0.0 | 1.0 ± 0.0 | na |
Abbreviations: na: not active at the tested antimicrobials concentration; MW: Magnum variety water extract; MaW: Marynka variety water extract; LW: Lubelski variety water extract; ME: Magnum variety ethanol extract; MaE: Marynka variety ethanol extract; LE: Lubelski variety ethanol extract.