Bran, the outer coverings of grains, is one of the richest sources of dietary fibre.
And it contains several types of fibre including cellulose, hemicellulose and pectin. Wheat and corn bran are highly beneficial in relieving constipation.
Experiments show that oat bran can reduce cholesterol levels substantially. Corn bran is considered more versatile. It relieves constipation and also lowers LDL cholesterol, which is one of the more harmful kinds.
Besides being rich in fibre, bran has a real food value being rich in time, iron and vitamins and containing a considerable amount of protein.