Description What is Gelatin? Gelatin is an odorless, tasteless thickening agent that forms a gel when combined with liquid and heated. It is thermo-reversible, which means that the gel liquefies when heated above its melting point but regains a jelly-like consistency when cooled again. The melting point of gelatin is close to the body temperature of the animal from which it is made, which for mammals is around 99F/37C. The raw material for gelatin is collagen, a naturally occurring pure protein,...