Understanding Polyphenols

To make a good eisbock (or any other kind of ice beer) it is helpful to have a good understanding of how ice crystals form, and to be able to effectively manage crystal formation within the beer.

Understanding Polyphenols  Polyphenols present a classic dilemma for the brewer. On one hand, they taste bad. These bitter, astringent compounds— tannin is probably the best-known form of polyphenol — can ruin the