Refined … They digest quickly and their high glycemic index causes unhealthy spikes in blood sugar levels. In contrast to whole grains, refined grains are milled, a process that strips out both the bran and germ to give them a finer texture and longer shelf life. "Refined grains refer to a grain that is missing one or more of its three key parts," Gidus Collingwood says. Refined grains include white flour, white rice and white bread. Refined grains are milled to have had the germ and bran removed, which gives them a finer texture and extends their shelf life. All grains start life as whole grains.In their natural state growing in the fields, whole grains are the entire seed of a plant. Examples include white and wheat flours, enriched breads, and white rice. Refined grains are grains that have been processed where typically the germ and the bran have been removed. Many breads, cereals, crackers, desserts and pastries are made with refined grains. Bad or simple carbohydrates include sugars and refined grains that have been stripped of all bran, fiber, and nutrients, such as white bread, pizza dough, pasta, pastries, white flour, white rice, sweet desserts, and many breakfast cereals. Grain refinement and recovery are closely related to the minimum grain size d through the rate of each process expressed as a function of the grain size, since d is the grain size at which the two rates are equal. From the metallurgical and material science perspective, grain refinement is the reduction in size of the grains inside a material. Refined Grains have been milled (ground into flour or meal) which removes the bran and germ. The refining process also removes many nutrients, including fiber. This seed (also called a “kernel”) is made up of three edible parts – the bran, the germ, and the endosperm – protected by an inedible husk that protects the kernel from assaults by sunlight, pests, water, and disease. Refined grains: These are grains that have had the fibrous and nutritious parts removed. The United States Department of Agriculture estimates that 93 percent of Americans eat too many refined grains, while only 7 percent eat enough whole grains in their diets. Refined grains include white flour, white rice, white bread and degermed cornflower. List of Refined Carbs. This gives them a finer texture and improves their shelf life (yay) but strips the grain of important nutrients you need, including B-vitamins, iron, and dietary fiber (boo). Refined grains. Using too-high cooking temperatures will cause milk to: Milling the grain removes the bran and germ. Refined carbs are present in two main foodstuffs: refined grains and refined sugars. Conversely, a whole grain has not had the germ or bran removed and therefore provides important nutrients and fiber to a diet. Play this game to review Life Skills. 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