Nikka Coffey Gin Made from a corn distillate and a malted barley distillate in the Miyagikyo distillery's Coffey stills, this gin features, in addition to juniper berries, a large number of Japanese citrus fruits (yuzu, kabosu, amanatsu, shikuwasa) and sansho pepper. Nikka Coffey Vodka Made in the traditional Coffey column stills used to distill Nikka grain whiskies, this vodka is the result of blending a corn distillate and a malted barley distillate.