Complex carbohydrates can be either refined or unrefined. Whole wheat flour (atta) is known as an unrefined carbohydrate because the bran (outer skin of the grain) is retained. Rich in fiber and other important micronutrients, unrefined carbohydrates are a more wholesome choice of food for everyday consumption. As the name suggests, refined wheat flour (maida) is a refined carbohydrate. All ... Read more »