Two part question: (1) How does oil inhibit formation of head in beer? Homebrewers take as gospel that oil-containing ingredients such as nuts will negatively impact head. But I can't find any ...
Does the head improve something on the beer flavour/aroma? Back home in Brasil, the folk has it that head is useful to keep the beer cold, but in colder lands (and warmer beers) as they have in ...
I just finished brewing a series of 5 Belgian beers, and at least 3 of them have exhibited problems with head formation and retention. I haven't tried the last 2 beers yet, so I can't say if those ...