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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.
(Fermentation means feeding sugar to yeast, so that the yeast can produce alcohol.) Today, most vodka is made from fermented grains such as sorghum, corn, rice, rye or wheat, though you can also use potatoes, fruits or even just sugar.ost vodka is 30 to 40 percent ABV. Rectified spirits, like the American brand Everclear, reach 95 to 96 percent ABV. The first records of vodka come from ninth-century Russia and eighth-century Poland.