Question

__________ is used mainly in low acid canned foods.

(a) 12 D concept

(b) 1 D concept

(c) 10 D concept

(d) 100 D concept

I have been asked this question during an internship interview.

I would like to ask this question from Heat Transfer Applications in chapter Heat Transfer Applications of Food Processing Unit Operations

Answer 1

Right option is (a) 12 D concept

To explain: 12D concept is used generally in low acid canned foods. It refers to thermal processing to reduce the probability of survival of the C. botulinum spores to 10-12 which is high resistant microbe at 121^oC.