Keltrol is a brand name for a gelling agent derived from the fermentation of the bacterium Xanthomonas campestris. It is primarily used as a thickening and stabilizing agent in food products, cosmetics, and pharmaceuticals. Keltrol is often utilized in salad dressings, sauces, and various other applications due to its ability to create a smooth texture and improve the product's viscosity. Additionally, it is considered gluten-free and compatible with various dietary needs.