Grain Milling Terms

• Bran: Coarse outer grain coating, separated during processing.
• Endosperm: Starchy portion of seed.
• Flour: Soft, finely ground meal consisting mainly of starch and gluten. Obtained during grain milling.
• Germ: The seed embryo.
• Gluten: Tough nitrogen containing substance remaining after the flour is washed free of starch.
• Grain: Seed from cereal plant, e.g., oats, corn, wheat.
• Grits: Coarsely ground grain from which the bran and germ have been removed.
• Groats: Cereal seeds with hulls removed.
• Middlings: A byproduct of milling. Consist of granular particles containing differing proportions of the grain, endosperm, bran and gluten.
• Mill By-Product: A secondary product obtained in addition to the principal milling product.
• Mill Dust: Fine feed particles of unspecified origin resulting from feed handling and processing.