Table 2. Effect of pH and bile salt on the survival of selected strains
Selected strains | pH tolerance1 | Bile salts tolerance2 |
pH 7 | pH 2 | 0% | 0.3% | 0.5% | 1.0% |
MG723 | 7.52±0.03 | 2.04±0.14 | 9.30±0.05 | 7.00±0.04 | 6.26±0.05 | 3.00±0.03 |
MG729 | 7.39±0.08 | 2.10±0.12 | 9.34±0.08 | 8.72±0.05 | 4.00±0.11 | 1.89±0.02 |
MG731 | 7.38±0.05 | 2.00±0.06 | 9.24±0.02 | 7.01±0.08 | 4.01±0.07 | 2.08±0.05 |
MG741 | 7.33±0.04 | 4.01±0.02 | 9.14±0.04 | 7.96±0.02 | 7.77±0.06 | 6.67±0.15 |
The pH tolerance results are shown the viable counts (log CFU/mL) of each isolate at pH 7 and pH 2 for 3 h.
Bile-salts tolerance results are shown as the viable counts (log CFU/mL) of each isolate at MRS media with 0% and 1% Oxgall at 37°C for 24 h.