Table 4 The bacteria survival rate of P. pentosaceus KMP in MRSC broth at 37 oC for 0 and 3 h incubation under the acid condition (pH 2.0 and pH 3.0) and bile salt condition 0.3 and 0.5% (w/v)
P. pentosaceus KMP | 0 h incubation | 3 h incubation | ||||
|---|---|---|---|---|---|---|
Viable bacterial count (CFU/mL) | Viable bacterial count (log CFU/mL) | Bacteria survival rate (%) | Viable bacterial count (CFU/mL) | Viable bacterial count (log CFU/mL) | Bacteria survival rate (%) | |
Acid tolerance | ||||||
 pH 2.0 | 3.00 × 104 | 4.48 | 100 | 0 | – | 0 |
 pH 3.0 | 6.30 × 104 | 4.80 | 100 | 3.00 × 104 | 4.48 | 48 |
 Control | 1.80 × 105 | 5.26 | 100 | 1.68 × 106 | 6.23 | 933 |
Bile tolerance | ||||||
 0.3% | 1.70 × 105 | 5.23 | 100 | 4.60 × 105 | 5.66 | 271 |
 0.5% | 2.00 × 105 | 5.30 | 100 | 6.10 × 105 | 5.79 | 305 |
 Control | 5.00 × 105 | 5.70 | 100 | 3.36 × 106 | 6.53 | 672 |