Table 7.
NKZ-259 cell viability rate in different carriers (original cell count in each carrier = 5.6 × 106 CFU/mL)
| Carriers | Cell population (CFU/mL) | |||
|---|---|---|---|---|
| 1 month | 2 months | 3 months | 4 months | |
| Kaolin (4 °C) | 5.4 ± 0.15 × 106 a | 5.2 ± 0.15 × 106 a | 5.2 ± 0.15 × 106 a | 5.2 ± 0.15 × 106 a |
| Kaolin (RT) | 5.3 ± 0.14 × 106 a | 2.4 ± 0.15 × 106 b | 2.3 ± 0.2 × 106 b | 1.7 ± 0.2 × 106 b |
| Talc (4 °C) | 1.4 ± 1.15 × 105 b | 6.5 ± 0.20 × 104 c | 5.1 ± 0.3 × 104 c | 3.6 ± 0.25 × 104 c |
| Talc (RT) | 1.0 ± 0.9 × 105 b | 5.5 ± 0.25 × 104 c | 5.0 ± 0.4 × 104 c | 2.1 ± 0.2 × 104 c |
| Liquid (4 °C) | 1.3 ± 0.15 × 105 b | 1.1 ± 0.11 × 104 c | 1.2 ± 0.15 × 103 c | 0.6 ± 0.15 × 103 c |
| Liquid (RT) | 1.0 ± 0.9 × 105 b | 1.1 ± 0.11 × 104 c | 1.2 ± 0.2 × 103 c | 0.4 ± 0.15 × 103 c |
Note: 4 °C = storage at 4 °C in a refrigerator; RT = room temperature storage (27 °C)