Starch is a polymer, a multi-sugar compound made up of repeated glucose units.
Starch is a form of sugar storage available in the plant for the production of chemical energy.
Humans can digest starch and it can serve as the main energy source for most of the world's population
The starch eaten by humans is mainly found in edible grains and roots
Besides being an energy source, starch, and especially corn starch, are used in cooking to increase the thickness of sauces.
The starch industry is used, among other things, for the production of adhesives, paper and textiles. Starch is also a preservative.