Oxidation may taste like wet paper or cardboard when in its initial phase, but can take on sherry-like or wine-like flavors with aging. Styles like the English Old Ale or Barleywine call for these kinds of flavors, while they are not appropriate in many other beer styles, and the initial flavors are never appropriate. #craftbeer #offflavors #sensoryschool sources: Aroxa, How to Brew, BJCP