Table 2. Acid and bile acid tolerance of lactic acid bacteria (LAB) strains
| Strains | Acid tolerance (pH 2.5, 0.3% pepsin) | Bile salt tolerance (0.3% oxgall) |
| Intial (Log CFU/mL) | 3h (Log CFU/mL) | Survial rate (%) | Intial (Log CFU/mL) | 24h (Log CFU/mL) | Survial rate (%) |
| L. rhamnosus GG | 7.73±0.02 | 7.92±0.01 | 102.44±0.24 | 7.75±0.02 | 7.99±0.01 | 103.15±0.2 |
| L. fermentum SMF680 | 7.73±0.01 | 7.90±0.01 | 102.14±0.15 | 7.74±0.03 | 7.80±0.04 | 100.82±0.92 |
| L. fermentum SMF709 | 7.74±0.02 | 8.01±0.03 | 103.46±0.55 | 7.68±0.03 | 7.74±0.07 | 100.74±0.55 |
Data are presented as mean ± standard deviation (n=3).