 For a product to qualify as Lübeck Marzipan, a product must contain no more than 30% sugar, while the Lübeck Fine Marzipan must contain up to 10% sugar.The marzipan manufacturers of Lübeck such as Niederegger, Carstens, Lubeca or Marzipan-Land, however, follow some principles of quality by voluntary commitments, not required by the directive.Niederegger, for example, uses 100% almond paste and no sugar.