Two-time Emmy Award and Golden Globe Award winner Jim Parsons was nominated for another Emmy Award in 2012 for his role as Sheldon Cooper in T... More...
1 -Outer layer of the grain that contains fiber, antioxidants, B vitamins, phytochemicals, and 50-80% of minerals in grains like iron, copper, zinc, magnesium. - 2  middle largest layer containing mostly carbohydrates, protein, and small amounts of some B vitamins and minerals.
Whole grains contain the entire grain kernel -- the bran, germ, and endosperm. Refined grains have been milled, a process that removes the bran and germ. This is done to give grains a finer texture and improve their shelf life, but is also removes dietary fiber, iron, and many B vitamins.