Craft beer equipment needs to be boiled during the brewing process, during which some fantastic changes occur. But for some friends who are new to craft beer, they don’t know what changes will happen. Then the senior winemaker will explain it to you one by one.
(1) hop resin or hop bitter substances;
(2) hop oil;
(3) Hop polyphenols.
Formation and separation of protein-polyphenol complexes
Wort color rise
Wort acidity rises
Volatile content in wort