Straight whiskey as the higher proof spirit loses most flavoring compounds during the distillation process, and does not gain flavors from barrel aging. Blended whiskey may also contain additives for coloring and flavoring. Canadian whisky, which is typically a blend, also uses straight-whiskey-style spirits as a major flavor component, though Canada does require at least three years of aging (usually in used barrels) to qualify any product as Canadian whisky or as "rye whisky". Straight whiskey Straight whiskey (or straight whisky), as defined in United States law, is whiskey created by distilling a fermented (malted or unmalted) cereal grain mash to create
American Whiskey Trail starting point. Besides recognized historic sites, a number of operating whiskey distilleries are open to the public for tours and, in many cases, tastings. Most are located in close proximity to each other in Kentucky, although a few are located in Tennessee, Pennsylvania, Utah, and West Virginia. In addition to sites and distilleries tied to the history of American whiskey production, the Distilled Spirits Council provides information and promotes a range of other distilleries around the country in conjunction with promotion of the American Whiskey Trail. The list includes two key rum distilleries – Bacardi in Catano, Puerto Rico, and