wheat bran
Quick Summary
Bran is the protective outer layer of cereal grains like wheat, rye, or corn, separated during processing. Wheat bran, the most common type, contains protein, fiber, and carbohydrates. While much bran is used for livestock feed, refined bran is incorporated into foods like breakfast cereals, breads, and muffins for its digestive benefits as roughage. The milling process removes bran from the grain, which is why whole grain products retain more of these nutrients. Corn bran, specifically, is the hull of the corn grain separated during milling and is primarily used as animal feed.123
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