Question & answer

What is filtration and pasteurization? How do these processes influence the taste and quality of beer?

After post-fermentation and maturation, the beer possesses all qualities except one – it is not clear enough; that is, it is not in marketable form. Filtration of beer is a process of recovering yeast and other suspended sediments remaining after fermentation. The purpose of filtration is to make beer stable, so that no changes occur in it over a long period and the beer preserves its appearance. Unfiltered beer and filtered beer have a slight difference in organoleptic properties – unfiltered beer has a slight yeast aroma and after-taste.

Pasteurization of beer is a process of thermal conditioning. If the processing method if followed, pasteurization barely alters the taste of the beer.


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