Table 2.
Antagonistic activity of Rosa spp. extracts (at a concentration of 500 mg/mL), obtained from whole fruits and the flesh alone, against Staphylococcus spp. strains.
| Growth Inhibition Zone [mm] | ||||||
|---|---|---|---|---|---|---|
| Rosa canina | Rosa rugosa | Rosa pomifera Karpatia | ||||
| Whole Fruit | Flesh | Whole Fruit | Flesh | Whole Fruit | Flesh | |
| ATCC 25923 | 20.7 ± 0.6 a* | 13.3 ± 0.6 A# | 23.3 ± 0.6 b* | 13.0 ± 0.0 A# | 20.7 ± 1.5 a* | 13.0 ± 0.0 A# |
| DSMZ 3270 | 15.7 ± 0.6 a* | 12.0 ± 0.5 A# | 23.3 ± 2.1 b* | 14.3 ± 1.2 B# | 18.3 ± 0.6 a* | 13.0 ± 0.0 AB# |
| A5 | 24.3 ± 0.6 a* | 15.7 ± 1.5 A# | 29.0 ± 1.1 b* | 13.7 ± 0.6 A# | 22.8 ± 0.6 c* | 19.0 ± 1.0 B# |
| M5 | 20.7 ± 0.6 a* | 17.7 ± 0.6 A# | 24.3± 0.6 b* | 23.0 ± 0.0 B# | 23.0 ± 0.0 c* | 19.3 ± 0.6 C# |
| M6 | 18.3 ± 0.1 a* | 12.0 ± 0.0 A# | 20.3 ± 0.6 b* | 11.7 ± 0.6 A# | 19.0 ± 1.1 ab* | 13.3 ± 0.6 B# |
| KR6 | 1.7 ± 0.6 a* | 17.0 ± 0.0 A# | 20.3 ± 0.6 b* | 17.5 ± 1.2 A# | 20.7 ± 0.6 b* | 17.0 ± 1.7 A# |
| KR2A | 18.0 ± 0.0 a* | 15.5 ± 1.0 A# | 21.7 ± 0.6 b* | 14.7 ± 0.6 AB# | 19.7 ± 1.5 ab* | 13.0 ± 0.0 B# |
a, b, c—statistical differences (ANOVA, Tukey’s post-hoc test (p ≤ 0.05)) between whole fruit extracts within one test strain; A, B, C—statistical differences (ANOVA, Tukey’s post-hoc test (p ≤ 0.05)) between flesh extracts within one test strain. *, #—statistical differences (ANOVA, Tukey’s post-hoc test (p ≤ 0.05)) between extracts (whole fruits—flesh alone) obtained from the same Rosa sp. species within one test strain.