Dietary fiber comes from a variety of foods of plant origin such as grains, legumes, fruits and vegetables. The dietary fiber component forms the structure of all these plants. Dietary fibers are refered to as non-starch polysaccharides and what sets them apart is their resistance to digestive enzymes in the small intestine, much of the fiber passes through the small intestine to fermentation, digestion, and utilisation in the large intestine. Non-starch polysaccharides include cellulose, hemicellulose, pectins, gums and mucilages. There are predominantly two types of dietary fiber, soluble and insoluble