Chapter 7 The Control of Microbial Growth
Chapter 7 The Control of Microbial Growth
Chapter 7 The Control of Microbial Growth
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Physical Methods <strong>of</strong> <strong>Microbial</strong> <strong>Control</strong><br />
• Heat is very effective (fast and cheap).<br />
• <strong>The</strong>rmal death point (TDP): Lowest temperature at<br />
which all cells in a culture are killed in 10 min.<br />
• <strong>The</strong>rmal death time (TDT): Time to kill all cells in a<br />
culture<br />
• Decimal Reduction Time (DRT):<br />
Minutes to kill 90%<br />
<strong>of</strong> a population at a<br />
given temperature<br />
Copyright © 2010 Pearson Education, Inc.<br />
Table 7.2
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