From various types of grain such as barley, rye, corn or wheat fermentation and distillation prepared spirit (also whiskey). There are innumerable types with partly very different production processes. What they all have in common is years of aging in wooden barrels, using different types and sizes of wood. US products mature almost exclusively in new, toasted American white barrels Oak, European products with a dark color often mature in barrels, in which previously sherry or port wine was stored. Used American barrels are used for light whiskeys. Whiskey is an extremely popular part of many cocktails, among others by Manhattan,
An interesting experiment was done by the Mosel winegrower Markus Molitor carried out. The Pinot Blanc Wehlener Klosterberg vintage 2010 was in a whiskey barrel "Bowmore Hogshead Islay barrel ”with a volume of 250 liters. The special thing was that it was a used barrel and the wooden walls naturally whiskey or alcohol contained. Bowmore is a whiskey distillery on the island of Islay in Scotland, which is owned by the Japanese-American beverage multinational Suntory located. According to the result of the tasting, the wine was "a fine acid and minerality as well as a slightly sweet note, but without the wine Sweet to lend and shows the long leaving a fine and delicate smoky Whiskey note ".