What is Gluten?

Gluten (from Latin gluten, “glue”) is a protein composite found in foods processed from and related grain species, including barley and rye. Gluten gives elasticity to dough, helping it rise and keep its shape and often gives the final product a . Gluten is used in cosmetics, , and other .
Gluten is the composite of a gliadin and a glutenin, which is conjoined with starch in the of various grass-related . The prolamin and glutelin from wheat (gliadin, which is alcohol-soluble, and glutenin, which is only soluble in dilute acids or ) constitute about 80% of the protein contained in wheat fruit. Being insoluble in water, they can be purified by washing away the associated starch. Worldwide, gluten is a source of protein, both in foods prepared directly from sources containing it, and as an additive to foods otherwise low in protein.
The fruit of most have endosperms with stored protein to nourish embryonic plants during germination. True gluten, with gliadin and glutenin, is limited to certain members of the grass family. The stored of and rice are sometimes called , but their proteins differ from true gluten.
About 1 in 133 people in developed nations have intolerance to gluten,. Gluten sensitivity is classified an “intolerance”, not an “allergy”.