Bread quickly and at low costs to the manufacturer and the consumer. However, there has been some criticism of the effect on nutritional value. Bread is the staple food of the Middle East, Central Asia, North Africa, Europe, and in European-derived cultures such as those in the Americas, Australia, and Southern Africa, in contrast to parts of South and East Asia where rice or noodle is the staple. Bread is usually made from a wheat-flour dough that is cultured with yeast, allowed to rise, and finally baked in an oven. The addition of yeast to the bread explains the air pockets
Rye bread either batter-type or dough-type (similar to Irish soda bread). In such cases, it can be used in similar applications as whole wheat flour, since an egg matrix often provides the bread structure rather than the grain's gluten. Rye bread contains a large amount of fiber and a small amount of fat. Compared to some breads such as white bread, rye bread has a lower glycemic index, which means it causes a slower increase in blood sugar than white bread after being eaten. Nonetheless, it consists mostly of carbohydrates, making its glycemic load high. Rye bread Rye bread is a type