Question

Freezer burn is a condition that occurs when frozen food has been damaged by ___________

(a) dehydration

(b) oxidation

(c) dehydration and oxidation

(d) dehydration and reduction

The question was posed to me during an interview.

This is a very interesting question from Heat Transfer Applications in division Heat Transfer Applications of Food Processing Unit Operations

Answer 1

Correct option is (c) dehydration and oxidation

To explain I would say: Freezer burn occurs when frozen food is damaged by dehydration and oxidation. It is normally due to improper of storage of food. Therefore, it should be securely wrapped in air-tight packaging to prevent oxidation and dehydration. The food appears grayish brown leathery spots on the frozen foods.