Pumpernickel bread that came to be known as "Pumpernickel", Westphalian pumpernickel is distinguished by use of coarse rye meal and a very long baking period, which gives the bread its characteristic dark color. Like most traditional all-rye breads, pumpernickel is traditionally made with an acidic sourdough starter, which preserves dough structure by counteracting highly active rye amylases. That method is sometimes augmented or replaced in commercial baking by adding citric acid or lactic acid along with commercial yeast. Traditional German pumpernickel contains no coloring agents, instead relying on the Maillard reaction to produce its characteristic deep brown color, sweet, dark chocolate,
The Scarlet Pumpernickel "J.L." - called "The Scarlet Pumpernickel", which he wrote himself (under the name "Daffy Dumas Duck.") As Daffy reads the script to J.L., the cartoon cuts away to various scenes and then back to J.L.'s office. Each time, Daffy announces a page number. By the cartoon's end, the script has exceeded 2,000 pages (movie scripts much in excess of 100 pages were usually rejected as too long back in those days). In this script, the clumsy Scarlet Pumpernickel (Daffy) constantly outsmarts the Lord High Chamberlain's (Porky Pig) men, to the Chamberlain's fury and the delight of the Fair Lady Melissa.