Enriched Cake Flour
Cake Flour is a low protein flour that is made from soft winter wheat. It has a protein content of 6% - 8% while All Purpose Flour is usually around 10%. The bran and germ are removed leaving only the starch endosperm. Cake flour is typically treated with chlorine gas and benzoyl peroxide. White flour is required by the FDA to be enriched with thiamin, riboflavin, niacin, folic acid, and iron.