TABLE 3.
Lactate concentration, pH, and total LAB concentration after 24 h of incubation in WF fecal suspensions inoculated with E. coli O157:H7 and supplemented or not with L. acidophilus BT-1386 (LA)
| Parameter | Mean ± SDa
|
|||
|---|---|---|---|---|
| Without LA | With LA at indicated concn (CFU · ml−1)
|
|||
| 3.4 × 105 | 3.2 × 106 | 8.5 × 107 | ||
| Lactate concn (mM) | 2.08 ± 0.79 | 3.36 ± 1.86 | 7.02 ± 0.85 | 53.01 ± 4.29 |
| pH | 6.3 | 6.2 | 5.7 | 3.9 |
| Total LAB concn (log10 CFU · ml−1) | 5.43 ± 0.15 | 6.16 ± 0.16 | 6.20 ± 0.35 | 7.39 ± 0.09 |
a
The effects of three different concentrations of LA were compared, and measurements were performed three times.