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
Canadian Club V, George VI, and Elizabeth II. Hiram Walker & Sons is the only North American distiller to have been granted a royal warrant. The Walker distillery remains in production in Windsor. Canadian Club is now part of the Jim Beam portfolio. It is its number four–selling alcoholic product, behind Jim Beam bourbon whiskey, Sauza Tequila, and DeKuyper cordials. In 1967, Hiram Walker & Sons launched their "Hide A Case" advertising campaign that involved enticing drinkers to seek out cases of Canadian Club that had been hidden at exotic locations throughout the world. These included Mount Kilimanjaro, Angel Falls, Mount St.