Figure 7.1 a Suspension of 10⁶ Bacillus Cereus Endospores Was Put in Put

Multiple Choice

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 is approximately

A) 0 minutes.
B) 10 minutes.
C) 30 minutes.
D) 40 minutes.
E) 60 minutes.