The common food starch amylose is found in potatoes, corn and cereal grain. It has low water solubility and takes longer to digest.
Amylopectin is a branched polysaccharide and makes up about 80% of the starch found in potatoes, corn and cereal grain. It is water soluble and easy to digest.
Carbohydrates not immediately used for energy supply are stored as glycogen in the liver and muscles.
This polysaccharide is highly branched and contains up to 100,000 glucose units.