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
Irish whiskey John Powers and George Roe (all family run, and collectively known as the "Big Four") came to dominate the Irish distilling landscape. The chief output of these distilleries, known as single or "pure pot still" whiskey, was made from a mix of malted and unmalted barley, and solely distilled in pot stills. The style, having initially emerged as a means of avoiding a 1785 tax on malt, endured although the tax had been later repealed. In fact, even by the late 1880s, only two of Ireland's then 28 existing distilleries were producing single malt whiskey, the rest steadfast in their