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
Corn whiskey Corn whiskey Corn whiskey is an American liquor made from a mash of at least 80 percent corn and distilled to a maximum strength of 160 proof (80% alcohol by volume). Distinct from the stereotypical American moonshine, corn whiskey uses a traditional mash process and is subject to the tax and identity laws for alcohol under federal law. Several commercial distillers, such as Heaven Hill, produce unaged corn whiskeys for retail sale. Unlike other American whiskey styles, corn whiskey does not need wood aging at all. If aged, it must be in uncharred or previously used oak barrels and must