Pearling yields bran fractions differing in biochemical and hydration properties.
Pericarp-rich fractions are more deleterious to bread volume and crumb texture.
Aleurone-rich fraction P6–9% affects bread making less than control ground bran.
Mainly bran hydration properties are believed to impact bread volume.
Bran-associated enzymes can affect Hagberg Falling number and bread crumb texture.