Scotch whisky whisky used. An age statement on the bottle, in the form of a number, must reflect the age of the youngest whisky used to produce that product. A whisky with an age statement is known as guaranteed age whisky. Scotch whisky without an age statement may, by law, be as young as three years old. In the early 21st century, such "No age statement" whiskies became more common, as distilleries responded to the depletion of aged stocks caused by improved sales. Labels may also carry various declarations of filtration techniques or final maturation processes. A Scotch whisky labelled as "natural"
Valpolicella develop. The Amarones are then aged for several years, with many premium examples being aged for at least five years prior to release. They are often aged in large wooden barrels of either Slavonian or French oak. Traditionally the barrels are older and essentially "neutral", in that they do not impart much flavor or wood tannins, but in the late 20th and early 21st centuries more Amarone producers have been experimenting with the use of smaller new oak barrels that introduce more oak flavoring to the wine. Amarones are rich, full-bodied wines with flavor and aroma notes that are often