Table 1.
Comparison of doubling time (= τ) observations based on total aerobic plate counting with growth time (= TAPC[t]), time to 1/2-maximal OD with growth time (= tm[t]), and optical density at 590 nm with time (= OD[t]) in either LB broth or MM at 37°C.
| Method | τ (min) -- LB | ||||
|---|---|---|---|---|---|
| Exp. 1 | 2 | 3 | average | F2,4 | |
| TAPC[t] | 18.6 | 17.3 | 18.1 | 18.0 | 3.43 |
| tm[Φi] | 17.1 | 17.4 | 16.8 | 17.1 | P >0.1 |
| OD[t] | 17.9 | 17.9 | 17.7 | 17.8 | |
| Method | τ (min) --MM | ||||
| Exp. 1 | 2 | 3 | average | F2,4 | |
| TAPC[t] | 52.7 | 50.1 | 51.9 | 51.6 | 0.886 |
| tm[Φi] | 50.8 | 59.9 | 52.1 | 54.3 | P >>0.1 |
| OD[t] | 50.1 | 53.8 | 49.4 | 51.1 | |