Table 4. Bile tolerance of lactic acid bacteria for 24 hours
Strains | Viable cell counts (CFU/mL) |
pH 7.0 (control) | pH 3.0 | pH 2.0 | pH 1.5 |
LA-5 | 8.68×109±0.4×109 | 1.38×107±0.08×107 | 7.53×106±0.12×106 | 7.32×105±0.04×105 |
V4 | 7.61×109±0.22×109 | 5.21×107±0.04×107 | 8.51×106±0.1×106 | 1.53×105±0.06×105 |
V7 | 5.01×108±0.08×108 | 2.56×106±0.1×106 | 7.31×105±0.04×105 | 6.59×104±0.04×104 |
V8 | 2.01×108±0.04×108 | 8.26×107±0.02×107 | 3.78×105±0.02×105 | 1.08×104±0.08×104 |
V10 | 6.61×109±0.06×109 | 3.52×108±0.08×108 | 5.36×106±0.02×106 | 2.41×105±0.01×105 |
V11 | 1.35×108±0.07×108 | 8.51×107±0.2×107 | 2.53×106±0.08×106 | 8.07×103±0.12×103 |
V12 | 5.46×108±0.1×108 | 2.39×106±0.12×106 | 3.66×106±0.2×106 | 7.59×105±0.08×105 |
All value were mean of triplicates.
All samples incubated at 37°C for 24 h in broth containing 0.3% oxgall.
LA-5: Lactobacillus acidophilus (commercial strain); V4: Ligilactobacillus salivarius; V7, 10, 11, 12: Lactiplantibacillus plantarum; V8: Limosilactobacillus fermentum.