- to expose (a food, as milk, cheese, yogurt, beer, or wine) to an elevated temperature for a period of time sufficient to destroy certain microorganisms, as those that can produce disease or cause spoilage or undesirable fermentation of food, without radically altering taste or quality.
Origin of pasteurize
Examples from the Web for unpasteurized
It is unpasteurized and unfiltered, and the wort reaches the boiling point but never boils.Wine Snobs, There’s a Beer for You
April 5, 2014
- (of milk, beer, etc) not subjected to pasteurization
- to subject (milk, beer, etc) to pasteurization
- rare to subject (a patient) to pasteurism
Word Origin and History for unpasteurized
1881, with -ize, after Louis Pasteur (1822-1895), French chemist and bacteriologist, who invented the process of heating food, milk, wine, etc., to kill most of the micro-organisms in it; distinguished from sterilization, which involves killing all of them. The surname is literally "Pastor." Related: Pasteurized; pasteurizing.
- To treat by pasteurization.