Table 2.
Survivability of LAB isolates at acidic condition.
| Isolates | Initial mean count1 |
pH 2 | Survival rate (%) | pH 3 | Survival rate (%) |
|---|---|---|---|---|---|
| TY5 | 7.25 ± 0.27 | 4.63 ± 0.15a | 63.8 | 5.74 ± 0.36a | 79.17 |
| TY12 | 6.67 ± 0.85 | 4.59 ± 0.84a | 68.89 | 5.43 ± 0.88a | 81.48 |
| TY14 | 6.5 ± 0 | — | — | 3.96 ± 0.28 | 66 |
| AM3 | 7.29 ± 0.20 | 4.21 ± 0.97 | 57.75 | 6.52 ± 0.1 | 89.5 |
| AM15 | 8.41 ± 0.77 | 3.35 ± 0.07 | 39.8 | 4.99 ± 0.76 | 59.3 |
| AM20 | 7.27 ± 0.05 | 3.76 ± 0.25 | 37.96 | 5.4 ± 0.5 | 74.27 |
| PR3 | 6.41 ± 0.05 | — | — | 3.66 ± 0.31 | 57.09 |
| PR14 | 6.51 ± 0.15 | 3.41 ± 0.07 | 52.38 | 4.46 ± 0.45 | 68.5 |
| PR45 | 6.81 ± 0.06 | — | — | 4 ± 0.12a | 54 |
| ER5 | 6.8 ± 0.19 | 4.06 ± 0.36 | 67.7 | 6.37 ± 0.25a | 94 |
| MM39 | 7.62 ± 1.07 | 2.12 ± 0.1 | 34.2 | 4.83 ± 0.04 | 63.38 |
| MSS10 | 7.22 ± 0.07 | 3.44 ± 0.08 | 60.3 | 5.88 ± 0.14 | 81.44 |
| AB11 | 7.24 ± 0.09 | 6.02 ± 0.16a | 67.44 | 6.73 ± 0.11a | 88.7 |
| C2 | 7.57 ± 0.45 | — | — | 3.06 ± 0.33 | 40.42 |
| AB1 | 8.65 ± 0.07 | 6.71 ± 0.17 | 61.5 | 6.88 ± 0.18a | 79.53 |
| AB8 | 8.35 ± 0.26 | 7.12 ± 0.07 | 72.72 | 7.05 ± 0.09a | 84.43 |
| W21 | 7.88 ± 0.36 | 2.64 ± 0.26 | 33.50 | 4.71 ± 0.28a | 43.11 |
1Viable counts were transformed to log CFU/mL and expressed as mean ± SD in three experiments. aSignificant difference (P < 0.05) at log10 measurements after 3 h incubation compared to the initial count. (—) No growth.