The quality standard:Crude protein min 60%,Crude ash max 2.8%,Moisture max 10%.Corn gluten meal is a by-product of corn starch and corn oil. It is a viscous protein substance. The higher the protein content, the fresher the color is. Corn gluten meal helps to the animal resistance. It can extract lutein from the corn gluten meal. The corn gluten meal is rich in amino acid. It is eminent additive in livestock and birds.