Beer Terms

Boiling

A critical step during the brewing process during which wort (unfermented beer) is boiled inside the brew kettle. During the boiling, one or more hop additions can occur to achieve bittering, hop flavor and hop aroma in the finished beer. Boiling also results in the removal of several volatile compounds from wort, especially dimethyl sulfide and the coagulation of excess or unwanted proteins in the wort (see “hot break“). Boiling also sterilizes a beer as well as ends enzymatic conversion of proteins to sugars.

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