The time required to kill 90% of the microorganisms or spores in a sample at a specified temperature is the

The time required to kill 90% of the microorganisms or spores in a sample at a specified temperature is the

The time required to kill 90% of the microorganisms or spores in a sample at a specified temperature is the 








A. thermal death time (TDT).
B. thermal death point (TDP).
C. decimal reduction time (D value).
D. z value.









Answer: C