Table 3 Tolerance experiment of Heyndrickxia coagulans BC99.
Reagent | pH | lg CFU/mL | Bacterial survival rate /% | |
|---|---|---|---|---|
0 h | 2 h | |||
MRS | 2.5 | 6.84 ± 0.06 | 6.77 ± 0.05 | 97.45 |
3.0 | 6.69 ± 0.04 | 6.72 ± 0.02 | 98.95 | |
3.5 | 8.78 ± 0.02 | 8.77 ± 0.03 | 99.83 | |
Simulated gastric fluid | 2.5 | 6.80 ± 0.04 | 6.62 ± 0.03 | 97.44 |
3.0 | 6.95 ± 0.05 | 6.720 ± 0.02 | 96.73 | |
3.5 | 8.81 ± 0.03 | 8.80 ± 0.02 | 99.88 | |
Simulated intestinal fluid | 6.8 | 8.84 ± 0.06 | 8.82 ± 0.05 | 99.74 |
Bile salt | 6.9 | 8.14 ± 0.01 | 7.56 ± 0.00 | 92.85 |