The Neutral Detergent Fiber, Acid Detergent Fiber, Crude Fiber, and Lignin Contents of Distillers’ Dried Grains with Solubles

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Abstract
Distillers’ dried grains with solubles (DDGS) were prepared from two cultivars of soft white winter wheat, a blend of red wheats and corn. DDGS made from the three whole wheat grains and corn contained, on a dry weight basis, 30–55% neutral detergent fiber (NDF), 10–14% acid detergent fiber, 7–9% crude fiber, and 2–4% lignin, an increase of 3–4 times over that contained in the unconverted whole grains. The significantly higher concentration of DDGS NDF isolated without sodium sulfite (vs with sodium sulfite) in the detergent solution was not due entirely to increased levels of residual protein.