Determination of the total lethality, F54.5 value, calculated by the
Simpson's Rule is illustrated in Fig. 3. The calculated F54.5 value,
depicted in the shaded area under the curve was 11.45 min. Using
Equation (4), the fraction of this total lethality due to heating was
calculated to be equal to 1.92 log reduction. Thus, in the 50 min