TABLE 2.
Spore cell heat resistance of cpe-positive C. perfringens strains
| Isolate | Origin | D value (100°C) min-2024 | D value (100°C) min-2000 | Isolate references |
|---|---|---|---|---|
| Isolates carrying a chromosomal cpe gene | ||||
| NCTC8239 | Humans, Europe, 1950s | 43.3 | 124 | (10) |
| 191–10 | Humans, United States, 1990s | 64.3 | 67 | (10) |
| FD1041 | Humans, United States, 1980s | 49.7 | 32 | (10) |
| E13 | Humans, United States, 1960s | 45.5 | 30 | (10) |
| NCTC10239 | Humans, Europe, 1950s | 63.7 | 45 | (10) |
| Average | 53.3 ± 4.5 | 60.0 ± 18 | ||
| C1841 | Humans, United States, 1980s | 5.6 | (10) | |
| Isolates carrying a plasmid cpe gene | ||||
| F5603 | Humans, Europe, 1980s | 1.4 | 0.6 | (10) |
| F4969 | Humans, Europe, 1980s | 1.7 | 0.5 | (10) |
| NB16 | Humans, Europe, 1980s | 3.4 | 1.9 | (10) |
| B40 | Humans, Europe, 1980s | 1.4 | 1.6 | (11) |
| 222 | Veterinary, United States, 1990s | 1.3 | 0.9 | (10) |
| 153 | Veterinary, United States, 1990s | 1.7 | 1.3 | (10) |
| 485 | Veterinary, United States, 1990s | 1.5 | 0.5 | (10) |
| Average | 1.8 ± 0.3 | 1.0 ± 0.3 | ||