ATCC 29544 | ATCC 51329 | |||||||
---|---|---|---|---|---|---|---|---|
ISO | real-time PCR (C T values) | ISO | real-time PCR (C T values) | |||||
Powdered Infant Formula | Seeding level (CFU/25 g) | BPW | BPW-mLST | Seeding level (CFU/25 g) | BPW | BPW-mLST | ||
0 | - - | - - | - - | 0 | - - | - - | - - | |
4 | +++ | 17.68 ± 1.27 | 19.24 ± 0.26 | 4.5 | +++ | 25.75 ± 3.44 | 23.70 ± 2.09 | |
PIF 1 | 8.8 | +++ | 18.95 ± 1.53 | 19.48 ± 0.20 | 9.5 | +++ | 23.40 ± 0.93 | 24.15 ± 0.72 |
18 | +++ | 20.46 ± 3.36 | 18.99 ± 0.46 | 19 | +++ | 20.78 ± 2.11 | 22.61 ± 0.27 | |
100 | +++ | nd | 19.25 ± 0.39 | 103.5 | +++ | 21.33 ± 0.57 | 23.51 ± 1.73 | |
0 | - - | - - | - - | 0 | - - | - - | - - | |
4 | +++ | nd | 22.26 ± 0.42 | 4.5 | + - + | 33.40 ± 4.14 | 24.53 ± 1.13* | |
PIF 2 | 8.8 | +++ | nd | 21.73 ± 0.39 | 9.5 | +++ | 31.99 ± 5.85 | 25.31 ± 1.83 |
18 | +++ | nd | 21.22 ± 0.66 | 19 | +++ | 33.46 ± 1.86 | 26.44 ± 0.62 | |
100 | +++ | 20.27 ± 3.77 | 21.31 ± 0.53 | 103.5 | +++ | 32.95 ± 1.19 | 25.26 ± 2.66 | |
0 | - - | - - | - - | 0 | - - | - - | - - | |
0.25 | nd | nd | nd | 0.25 | nd | 24.74 ± 0.41* | 22.75 ± 0.32* | |
0.375 | nd | nd | nd | 0.375 | nd | 27.40 ± 0.45§ | 21.90 ± 0.02§ | |
PIF 3 | 4 | +++ | 16.39 ± 0.66 | 19.69 ± 1.12 | 4.5 | +++ | 21.72 ± 0.24 | 24.43 ± 3.03 |
8.8 | +++ | 19.51 ± 2.44 | 19.40 ± 0.40 | 9.5 | +++ | 21.80 ± 1.61 | 22.16 ± 1.22 | |
18 | +++ | 18.73 ± 0.49 | 19.42 ± 0.57 | 19 | +++ | 21.59 ± 0.96 | 22.12 ± 1.03 | |
100 | +++ | 18.89 ± 0.32 | 19.29 ± 1.80 | 103.5 | +++ | 20.67 ± 0.41 | 21.71 ± 0.46 |