The present invention provides a tomato-derived thickening agent, said agent being characterized in that, on a dry weight basis, it contains: 0.1-3 wt.% of lycopene； 14-34 wt.% of protein； 11 -35 wt.% of pectin； 17-39 wt.% of sugars selected from fructose, glucose, and combinations thereof. The invention further relates to a process for preparing a tomato-derived thickening agent and to the use of such a thickening agent in food products such as tomato ketchup, tomato-based sauces, pizza sauce, tomato soup and tomato juice.
