Figure 7.1
A suspension of 106 Bacillus cereus endospores was put in a hot-air oven at 170°C. Plate counts were used to determine the number of endospores surviving at the time intervals shown.
-In Figure 7.1, the decimal reduction time (D value) for the culture, which is defined as the time to reduce a population by one log, is approximately

Question

Figure 7.1
  A suspension of 106 Bacillus cereus endospores was put in a hot-air oven at 170°C. Plate counts were used to determine the number of endospores surviving at the time intervals shown.
-In Figure 7.1, the decimal reduction time (D value) for the culture, which is defined as the time to reduce a population by one log, is approximately

Quizplus · Accepted Answer

The decimal reduction time (D value) is the time required to reduce the microbial population by 90% (or one log). Based on the options provided, 10 minutes is the most reasonable estimate for the D value, assuming the figure shows a consistent reduction pattern.

Figure 7.1 a Suspension of 106 Bacillus Cereus Endospores Was