Malt whisky well as caramel coloring. There is no maximum limit on the alcohol level of the distillation or aging for Canadian whisky, so the distillate may be close to neutral before aging. Like the regulations for the aging of Irish and Scotch whisky, the aging requirement for Canadian whisky is three years, and the use of new barrels is not required. Malt whisky Malt whisky is whisky made from a fermented mash consisting primarily of malted barley. If the product is made exclusively at a single distillery (along with other restrictions), it is typically called a single malt whisky. Although malt
Whisky in wood for a similar time. After a decade or two, additional aging in a barrel does not necessarily improve a whisky. While aging in wooden casks, especially American oak and French oak casks, whisky undergoes six processes that contribute to its final flavor: extraction, evaporation, oxidation, concentration, filtration, and colouration. Extraction in particular results in whisky acquiring a number of compounds, including aldehydes and acids such as vanillin, vanillic acid, and syringaldehyde. Distillers will sometimes age their whiskey in barrels previously used to age other spirits, such as rum or sherry, to impart particular flavours. Most whiskies are sold