Higher alcohols are volatile and intensely flavored. At elevated levels, they may impart intensely fruity or
solvent-like characters to beer. The balance between the levels of higher alcohols and esters is an important factor in determining the beer’s drinkability. Higher alcohols are implicated as the cause of hangover headaches.
Beer contains around 60 different esters, but only a few are important to beer flavor and aroma. To understand the factors that affect ester formation, we must look at the compounds that are the key precursors in ester formation.
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