'''Pasteurization''' is a technique for preserving food. It works by heating the food to a high temperature for about 30 minutes and then chilling. Milk, for example, is heated to 147 degrees Fahrenheit and then chilled to about 40 degrees. | '''Pasteurization''' is a technique for preserving food. It works by heating the food to a high temperature for about 30 minutes and then chilling. Milk, for example, is heated to 147 degrees Fahrenheit and then chilled to about 40 degrees. |