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 Daffy fails to perform a stunt, he mutters, "That's funny - that never happens to Errol Flynn," and his costumed appearance is more like Zorro, with cape, mask and sword, none of which the Pimpernel used. The "Nobleman disguise," is, however, more in line with wealthy English fop Sir Percy Blakeney, the Scarlet Pimpernel's alter ego. Michael Barrier's commentary on the DVD pointed out that Errol Flynn had nothing to do with "The Scarlet Pimpernel"; rather, the star was actually Leslie Howard. But, since Flynn was better-known, his name was referenced in the gags. "The Scarlet Pumpernickel" is available, uncensored,