Volume 10, Number 10—October 2004
Letter
Boiling and Bacillus Spores
Table
Initial log10 CFU/mL |
Boiling timesa log10 CFU/mL |
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---|---|---|---|---|---|---|---|---|
1 Min |
3 Min |
5 Min |
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Organism | Covered | Uncovered | Covered | Uncovered | Covered | Uncovered | Covered | Uncovered |
B. anthracis Sterne | 4.95 | 4.92 | 0.11 | NDb | <0c | 2.13 | <0c | 2.01 |
B. cereus (commercial) | 4.62 | 4.59 | 0.81 | 1.94 | <0c | 1.50 | <0c | 1.46 |
B. cereus, ATCC 9592 | 4.54 | 4.76 | <0c | 0.78 | <0c | 0.60 | <0c | 0.48 |
B. thuringiensis ATCC 35646 | 4.63 | 4.46 | <0c | 1.76 | <0c | 1.58 | <0c | 1.47 |
aValues are means of duplicate experiments <0.25 log units.
bND, not determined.
c<0, a number reading below the detection level.
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