TABLE 3.
Maximum specific growth rate of CEN.PK113-7D grown in shake flask cultures in the presence of increasing concentrations of iso-α-acid-enriched hop extract as a function of pH
| Growth condition | μmax (h−1)a at pH of: |
||
|---|---|---|---|
| 6.0 | 5.0 | 4.0 | |
| Reference (no hops) | 0.39 ± 0.00 | 0.36 ± 0.01 | 0.33 ± 0.01 |
| 0.2 g liter−1 iso-α-acid-enriched hop extract | 0.39 ± 0.01 (1.01)b | 0.34 ± 0.01 (0.95) | 0.28 ± 0.01 (0.87) |
| 0.5 g liter−1 iso-α-acid-enriched hop extract | 0.32 ± 0.02 (0.81) | 0.28 ± 0.01 (0.77) | 0.20 ± 0.01 (0.62) |
a
Values represent the mean ± standard deviation of data from triplicate independent experiments.
b
In parentheses is the decay ratio versus the reference, which was set to 1.