Question

One pasteurization unit is the microorganism death that occurs in a product held at _______for 1 minute for beer.

(a) 60°C

(b) 70°C

(c) 80°C

(d) 50°C

The question was asked during an internship interview.

My question comes from Heat Transfer Applications topic in portion Heat Transfer Applications of Food Processing Unit Operations

Answer 1

The correct answer is (a) 60°C

Easiest explanation: One pasteurization unit (PU) is the microorganism death that occurs in a product held at 60°C (140°F) for 1 minute for beer. The number of PU’s essential for a specific beverage depends on numerous factors like type of microbepresent, processing steps and type of packaging.