Why Is Beer Pasteurized?

The basic purpose of pasteurization is to ensure that there are no microorganisms in the packaged beer that could cause it to spoil over time.

Is most beer pasteurized?

Most of the keg beer brewed and packaged outside the U.S. (Import beers), are heat pasteurized during packaging. This process kills off the bacteria that ferment and spoils the beer. ... However, most imported kegs are stored and dispensed at the same temperature (38° F) as domestic, non-pasteurized kegs.

Is unpasteurized beer good for you?

Unpasteurized beer, where alcohol kills microorganisms and releases yeast and chemicals, can provide health benefits. Most mass-delivered beers are sanitized, yet most nearby beers are not purified, so what's inside can develop wild and free.