Rheintaler Ribelmais, Rheintaler Ribel or Türggenribel is a ground product that is made from a traditional type of maize grown in the Swiss Rhine Valley and Liechtenstein. Since summer 2000, Rheintaler Ribel AOP (formerly AOC) has been the only Swiss cereal product with a protected geographical indication.[1] The name Ribelmais comes from the traditional dish, Ribel, from which it is made.