Table 3 The bacteria survival rate of L. acidophilus 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)
L. acidophilus 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 | 4.10 × 105 | 5.61 | 100 | 0 | – | 0 |
 pH 3.0 | 6.40 × 105 | 5.81 | 100 | 1.59 × 106 | 6.20 | 248 |
 Control | 5.90 × 105 | 5.77 | 100 | 1.45 × 106 | 6.16 | 246 |
Bile tolerance | ||||||
 0.3% | 5.00 × 105 | 5.70 | 100 | 1.43 × 106 | 6.16 | 286 |
 0.5% | 4.60 × 105 | 5.66 | 100 | 6.70 × 105 | 5.83 | 146 |
 Control | 3.00 × 105 | 5.48 | 100 | 1.58 × 106 | 6.20 | 527 |