Specifically, they learned that German and Austrian flour makers mill their rye flour very finely and that "the finer the grind of the rye flour, the fluffier the baked bread will be." In addition ...

Pumpernickel bread is known for its dark brown color ... effects'' of eating difficult-to-digest, unprocessed rye berries. Pumpern is a German word meaning flatulence, and nickel comes from ...