Table 4.
Supernatant concentration (μg/ml) | M17PTZA396 | M17PTZA496 | TH982 | GG | M17 growth medium |
---|---|---|---|---|---|
125 | 75.0 ± 0.02 | 93.7 ± 0.02 | 98.3 ± 0.01 | 65.8 ± 0.01 | 98.2 ± 0.05 |
250 | 65.2 ± 0.04 | 78.0 ± 0.07 | 71.1 ± 0.03 | 63.9 ± 0.09 | 86.9 ± 0.06 |
500 | 58.4 ± 0.12 | 65.3 ± 0.05 | 71.0 ± 0.05 | 58.9 ± 0.02 | 88.3 ± 0.11 |
1000 | 45.5 ± 0.07 | 62.5 ± 0.04 | 58.5 ± 0.01 | 54.1 ± 0.02 | 84.7 ± 0.06 |
2000 | 43.4 ± 0.05 | 61.8 ± 0.01 | 58.7 ± 0.05 | 48.2 ± 0.02 | 89.2 ± 0.05 |
4000 | 40.2 ± 0.03 | 58.8 ± 0.02 | 54.7 ± 0.04 | 41.1 ± 0.03 | 90.5 ± 0.05 |
8000 | 37.6 ± 0.03 | 57.6 ± 0.01 | 46.0 ± 0.04 | 29.1 ± 0.02 | 88.8 ± 0.24 |
Lb. rhamnosus GG is the commercial reference probiotic strain. Growth medium M17 represents the negative control. A solution of 3% DMSO was used as positive control, which gave 26.2 ± 0.04 cell viability. Data are expressed as means ± SD.