Gluten

[Lynnieshell]

Where is this found?

[rekstout]

Any product made with wheat will most likely contain gluten - it is also used as a food additive.

http://www.internethealthlibrary.com/DietandNutrit
ion/gluten.htm

[wildwood]

If you want to see what gluten looks like, put a couple of tablespoons of ordinary flour in the palm of your hand and moisten it with a little bit of water until you have a 'doughball'. Then keep kneading it under a slowly dripping tap and after a few minutes you'll have a small ball of gluten which should look/feel like sloppy chewing gum.
In baked goods, it is the gluten which hardens and forms a honeycomb-like frame around the gas which is realeased during baking by the yeast/bicarbonates. Without gluten your bread/cakes won't have airpockets and will represent a proverbial 'baked brick'..