Table 1.
Survival (log CFU/mL) of the tested strains during in vitro gastrointestinal transit.
| Species | Strain | CI | SGJ | SIF |
|---|---|---|---|---|
| L. plantarum (n = 16) | PE09 | 9.03 ± 0.11 | 5.30 ± 0.02 | 5.11 ± 0.02 |
| PE11 | 9.12 ± 0.03 | 8.96 ± 0.06 | 8.84 ± 0.02 | |
| PE27 | 9.10 ± 0.07 | 8.02 ± 0.03 | 8.06 ± 0.06 | |
| PE30 | 9.01 ± 0.14 | 8.11 ± 0.02 | 8.01 ± 0.02 | |
| PE41 | 9.16 ± 0.02 | 4.98 ± 0.05 | 4.16 ± 0.03 | |
| PE42 | 9.28 ± 0.02 | 5.26 ± 0.08 | 5.15 ± 0.06 | |
| PE58 | 9.21 ± 0.05 | 5.02 ± 0.02 | 4.00 ± 0.03 | |
| PE66 | 9.22 ± 0.03 | 8.14 ± 0.06 | 8.03 ± 0.05 | |
| PE77 | 9.31 ± 0.06 | 5.31 ± 0.02 | 5.03 ± 0.08 | |
| PE92 | 9.24 ± 0.08 | 8.16 ± 0.02 | 8.11 ± 0.03 | |
| PE99 | 9.18 ± 0.05 | 9.01 ± 0.03 | 8.86 ± 0.06 | |
| PE101 | 9.20 ± 0.11 | 8.28 ± 0.04 | 8.14 ± 0.02 | |
| PE107 | 9.30 ± 0.13 | 4.05 ± 0.02 | 3.83 ± 0.02 | |
| PE115 | 9.12 ± 0.02 | 6.00 ± 0.06 | 5.84 ± 0.03 | |
| PE139 | 9.06 ± 0.12 | 4.21 ± 0.08 | 4.07 ± 0.10 | |
| PE141 | 9.19 ± 0.05 | 5.11 ± 0.02 | 5.03 ± 0.02 | |
| L. rhamnosus (n = 13) | PE07 | 9.13 ± 0.04 | 8.12 ± 0.07 | 8.06 ± 0.08 |
| PE08 | 9.11 ± 0.03 | 8.13 ± 0.04 | 8.02 ± 0.03 | |
| PE13 | 9.06 ± 0.07 | 8.01 ± 0.04 | 8.00 ± 0.02 | |
| PE25 | 9.14 ± 0.05 | 8.20 ± 0.06 | 8.15 ± 0.02 | |
| PE44 | 9.19 ± 0.07 | 8.01 ± 0.08 | 7.93 ± 0.06 | |
| PE61 | 9.10 ± 0.04 | 8.00 ± 0.05 | 7.96 ± 0.04 | |
| PE64 | 9.26 ± 0.06 | 8.87 ± 0.02 | 8.51 ± 0.04 | |
| PE81 | 9.23 ± 0.08 | 8.68 ± 0.02 | 8.05 ± 0.06 | |
| PE113 | 9.36 ± 0.04 | 4.88 ± 0.06 | 3.12 ± 0.04 | |
| PE137 | 9.07 ± 0.03 | 5.03 ± 0.06 | 4.91 ± 0.03 | |
| PE138 | 9.03 ± 0.11 | 5.21 ± 0.12 | 5.10 ± 0.07 | |
| PE151 | 9.23 ± 0.05 | 5.23 ± 0.11 | 5.06 ± 0.10 | |
| PE152 | 9.22 ± 0.07 | 9.04 ± 0.08 | 8.93 ± 0.06 | |
| L. pentosus (n = 12) | PE14 | 9.15 ± 0.04 | 8.11 ± 0.03 | 8.04 ± 0.03 |
| PE15 | 9.11 ± 0.03 | 8.02 ± 0.04 | 7.96 ± 0.06 | |
| PE16 | 9.23 ± 0.11 | 4.98 ± 0.07 | 4.33 ± 0.07 | |
| PE21 | 9.17 ± 0.06 | 9.03 ± 0.04 | 8.96 ± 0.07 | |
| PE38 | 9.11 ± 0.03 | 5.12 ± 0.08 | 4.91 ± 0.07 | |
| PE72 | 9.07 ± 0.08 | 8.03 ± 0.07 | 7.94 ± 0.08 | |
| PE73 | 9.09 ± 0.07 | 8.21 ± 0.06 | 8.07 ± 0.07 | |
| PE122 | 9.11 ± 0.06 | 8.18 ± 0.07 | 8.09 ± 0.04 | |
| PE123 | 9.16 ± 0.03 | 5.54 ± 0.08 | 5.31 ± 0.03 | |
| PE124 | 9.09 ± 0.06 | 8.86 ± 0.12 | 8.03 ± 0.06 | |
| PE159 | 9.21 ± 0.11 | 5.18 ± 0.14 | 5.03 ± 0.04 | |
| PE160 | 9.18 ± 0.04 | 8.07 ± 0.04 | 7.91 ± 0.07 | |
| P. pentosaceus (n = 6) | PE96 | 9.16 ± 0.08 | 8.25 ± 0.02 | 8.13 ± 0.02 |
| PE104 | 9.07 ± 0.02 | 8.15 ± 0.04 | 7.95 ± 0.03 | |
| PE120 | 9.30 ± 0.10 | 8.21 ± 0.03 | 8.02 ± 0.02 | |
| PE133 | 9.28 ± 0.02 | 5.24 ± 0.02 | 5.21 ± 0.04 | |
| PE135 | 9.18 ± 0.04 | 5.02 ± 0.02 | 4.56 ± 0.06 | |
| PE136 | 9.15 ± 0.06 | 4.34 ± 0.02 | 4.46 ± 0.02 | |
| L. paracasei (n = 5) | PE04 | 9.16 ± 0.06 | 9.07 ± 0.06 | 8.94 ± 0.06 |
| PE24 | 9.09 ± 0.07 | 8.24 ± 0.07 | 8.10 ± 0.03 | |
| PE85 | 9.13 ± 0.11 | 8.16 ± 0.14 | 7.98 ± 0.07 | |
| PE86 | 9.20 ± 0.07 | 8.83 ± 0.07 | 8.03 ± 0.14 | |
| PE102 | 9.14 ± 0.03 | 8.96 ± 0.07 | 8.84 ± 0.04 |
Cell density before transit (CI) and upon sequential exposure to simulated gastric juice (SGJ) and simulated intestinal fluid (SIF), determined by viable counting on Man, Rogosa and Sharpe (MRS) agar. Data are shown as mean log CFU/mL of three independent experiments and standard deviation.