Treatments | Average no. of organisms | Inactivation of tested organism % | |||||||
---|---|---|---|---|---|---|---|---|---|
Time (min) | Tested organism | Temperature °C | Control | 100 °C | 150 °C | 200 °C | 100 °C | 150 °C | 200 °C |
15 min | Gram-positive bacteria | Bacillus cereus | 10 × 106 | 6 × 103 | 5 × 103 | 0.0 | 99.0 | 99.9 | 100 |
Staphylococcus aureus | 8 × 107 | 30 × 104 | 27 × 104 | 0.0 | 99.0 | 99.6 | 100 | ||
Gram-negative bacteria | Escherichia coli | 9 × 106 | 25 × 104 | 21 × 104 | 0.0 | 97.2 | 97.7 | 100 | |
Salmonella typhi | 12 × 106 | 20 × 104 | 17 × 104 | 0.0 | 98.3 | 98.6 | 100 | ||
Fungi | Candida albicans | 8 × 106 | 23 × 104 | 19 × 104 | 0.0 | 97.1 | 97.6 | 100 | |
30 min | Gram-positive bacteria | Bacillus cereus | 10 × 106 | 0.0 | 0.0 | 0.0 | 100 | 100 | 100 |
Staphylococcus aureus | 8 × 107 | 7 × 102 | 0.0 | 0.0 | 99.9 | 100 | 100 | ||
Gram-negative bacteria | Escherichia coli | 9 × 106 | 5 × 102 | 0.0 | 0.0 | 99.9 | 100 | 100 | |
Salmonella typhi | 12 × 106 | 3.5 × 102 | 0.0 | 0.0 | 99.9 | 100 | 100 | ||
Fungi | Candida albicans | 8 × 106 | 4 × 102 | 0.0 | 0.0 | 99.9 | 100 | 100 | |
60 min | Gram-positive bacteria | Bacillus cereus | 10 × 106 | 0.0 | 0.0 | 0.0 | 100 | 100 | 100 |
Staphylococcus aureus | 8 × 107 | 0.0 | 0.0 | 0.0 | 100 | 100 | 100 | ||
Gram-negative bacteria | Escherichia coli | 9 × 106 | 0.0 | 0.0 | 0.0 | 100 | 100 | 100 | |
Salmonella typhi | 12 × 106 | 0.0 | 0.0 | 0.0 | 100 | 100 | 100 | ||
Fungi | Candida albicans | 8 × 106 | 0.0 | 0.0 | 0.0 | 100 | 100 | 100 |