Description (also acorn, woody, Lohegeschmack, Neuerl) for the wine taste, in inadequate wine green (impure) wooden barrels was removed or stored. This will leave unwanted tannins into the wine over. This causes a brownish yellow color and an unpleasant woody, scratchy, greenish-sour taste of sawdust and tan (tannin). Another false sound is the similar one barrel taste which occurs especially in old, poorly cleaned barrels. Both wine faults you can by a wet preservation prevent or with activated carbon fight.
Both wine mistakes are not allowed with the Barrique typical toast flavor (often referred to as wood tone or short as wood), which is positively occupied. In France, the term "boisé" (meaning wood taste) is also on labels to find and points to a Barrique expansion ..