TABLE 2.
Statistical differences in heat resistance of B. coagulans and B. subtilis spores as affected by diverse concentrations of calcium and manganese.
| Calcium (mM) | Manganese (mM) |
D100°C-value (min)a
|
|
| B. coagulans | B. subtilis | ||
| 0.00 | 0.00 | 4.51 ± 0.12EFGH | 3.95 ± 0.29FG |
| 0.10 | 3.91 ± 0.14HI | 3.64 ± 0.26GH | |
| 0.25 | 3.01 ± 0.23J,* | 2.94 ± 0.40HIJ | |
| 0.50 | 3.79 ± 0.34I | 2.83 ± 0.35J,* | |
| 0.25 | 0.00 | 4.67 ± 0.33EFG | 4.43 ± 0.13EF |
| 0.10 | 4.69 ± 0.32EFG | 4.18 ± 0.29FG | |
| 0.25 | 4.31 ± 0.17GHI | 2.98 ± 0.11HIJ | |
| 0.50 | 4.76 ± 0.34CDEFG | 2.91 ± 0.08IJ | |
| 0.50 | 0.00 | 5.08 ± 0.46BCDE | 4.93 ± 0.47DE |
| 0.10 | 5.05 ± 0.24BCDEF | 3.62 ± 0.08GH | |
| 0.25 | 4.58 ± 0.11EFG | 3.55 ± 0.21GHI | |
| 0.50 | 3.89 ± 0.32HI | 3.15 ± 0.35HIJ | |
| 1.00 | 0.00 | 5.38 ± 0.35ABCD | 4.56 ± 0.32EF |
| 0.10 | 5.40 ± 0.00AB | 5.57 ± 0.31BCD | |
| 0.25 | 5.75 ± 0.31BCDE | 6.54 ± 0.66A,+ | |
| 0.50 | 4.62 ± 0.44EFG | 5.56 ± 0.69CD | |
| 2.00 | 0.00 | 5.76 ± 0.33A,+ | 6.54 ± 0.26AB,+ |
| 0.10 | 5.42 ± 0.24ABC | 5.64 ± 0.26BC | |
| 0.25 | 4.76 ± 0.00DEFG | 5.50 ± 0.27CD | |
| 0.50 | 4.44 ± 0.28FGHI | 5.46 ± 0.46CD | |
aMean ± SD of independent experiments performed in triplicate.A–JMean values in the same column that are not followed by the same letters are statistically different (p < 0.05); *the lowest D100°C-value obtained; +the highest D100°C-value obtained.