Allied & ICAR Exam Bank • ALLIED_0711 NAT • 2 Marks

Section 7: Dairy and Food Engineering

Thermal Processing and Kinetics

Subtopic: Thermal Processing and Kinetics

Question Statement:

In commercial canning of low-acid foods (pH > 4.5), the '12D concept' for *Clostridium botulinum* ($D_{121.1} = 0.21\text{ min}$) requires a minimum $F_0 = 12 \times D_{121.1} = 12 \times 0.21$ minutes. The value of $F_0$ in minutes is (rounded off to two decimal places):

Answer Key:

2.52

Step-by-Step Solution & Explanation

$F_0 = 12 \times 0.21 = 2.52\text{ min}$.
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