TABLE 3.
Heat resistance (D values [minutes]) of spores of different strains of nonproteolytic C. botulinum measured at (or transformed to) a heating temperature of 80°Ca
| Strain | Toxin type | n | <Log[D′(80)]> | σlog[D′(80)] | n | <Log[D(80)]> | σlog[D(80)] |
|---|---|---|---|---|---|---|---|
| Eklund 17B | B | 70 | 0.18 | 0.49 | 33 | 0.35 | 0.36 |
| Kap B2 | B | 10 | −0.21 | 0.29 | 3 | 0.04 | 0.37 |
| 1304E | E | 13 | 0.09 | 0.20 | 3 | 0.22 | 0.05 |
| 8E | E | 14 | −0.31 | 0.39 | 2 | 0.08 | 0.25 |
| Alaska | E | 39 | 0.01 | 0.45 | 7 | 0.28 | 0.30 |
| ATCC 17786 | E | 37 | −0.21 | 0.20 | |||
| ATCC 9564 | E | 11 | 0.40 | 0.73 | 5 | 0.60 | 0.76 |
| Beluga | E | 52 | 0.10 | 0.24 | 12 | −0.04 | 0.19 |
| Crab 25 V-1 | E | 11 | −0.27 | 0.16 | |||
| Crab 25 V-2 | E | 11 | −0.64 | 0.22 | |||
| Crab G21-5 | E | 27 | −0.20 | 0.37 | |||
| Minnesota | E | 12 | 0.02 | 0.24 | |||
| Saratoga | E | 47 | 0.42 | 0.35 | 15 | 0.40 | 0.28 |
| Craig 610 | F | 11 | 0.16 | 0.28 | 1 | −0.12 | |
| Eklund 202F | F | 27 | 0.14 | 0.25 | 1 | 0.69 | |
| 190 | F | 14 | −0.19 | 0.11 |
a
n is the number of reports, and only strains for which D values were reported at least 10 times are included. For strains measured more than once at T = 80°C, the mean of the logarithm of reported and transformed values has a correlation coefficient of ∼0.75.