Originally Posted by magpie

Vodka is made by the process of distillation of a fermented substance--often potatoes and rye or wheat grain--and less often, sugar beet molasses. Most vodka was traditionally made from potatoes and corn, but in recent years, most high-quality brands of vodka has been distilled from cereal grains. The potatoes and grains are heated until the starch is released and converted to sugar. Then this substance, called a mash, is fermented and heated to a high temperature to allow distillation to occur. The substance is then distilled multiple times until all of the spirit is extracted. Multiple distillations allow for a higher proof. Water is added at the end of the distillation process to decrease the alcohol content, and then the vodka is ready to be bottled and sold

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