Gelatin:Gelatin is a colourless flavourless foodstuff derived from collagen. Gelatin is a protein derived from the collagen in animal tissue. It's the only protein with the power to thicken liquids. Gelatin acts as an emulsifier. Gelatin in ice cream:It is used to make the ice cream to get a soft texture and fresh appearance. It prevents the formation of large crystals. It also helps to maintain the consistency of the ice cream by lowering its water content. Ice cream is a colloid and gelatin is added to stabilize the colloid. ?Thus, the main role of gelatin in ice cream is to get a soft texture.