Table 7.
Statistical analysis by the Kruskal – Wallis test of the specific growth rate in batch culture of Staphylococcus aureus ATCC 25923 and Escherichia coli ATCC 25922, using Müller-Hinton broth and the addition of different concentrations of Z-Tyr-Val-OH, at 37°C under agitation at 180 rpm.
| Z-Tyr-Val-OH (μg/ml) | Kruskal-Wallis test (p) | Specific growth rate (h−1) |
|---|---|---|
| Staphylococcus aureus ATCC 25923 | ||
| 0 | – | 4.26 ± 0.11 |
| 15 | 0.050 | 1.62 ± 0.15 |
| 25 | 0.001 | 1.25 ± 0.20 |
| 35 | 0.000 | 1.02 ± 0.18 |
| 50 | 0.000 | 1.00 ± 0.17 |
| Escherichia coli ATCC 25922 | ||
| 0 | – | 3.68 ± 0.17 |
| 15 | 0.100 | 3.15 ± 0.19 |
| 25 | 0.600 | 2.47 ± 0.15 |
| 35 | 0.023 | 1.74 ± 0.20 |
| 50 | 0.004 | 1.14 ± 0.015 |