One aspect of the invention relates to tomato fiber composition having a dry matter content of at least 1 wt. %, wherein at least 80 wt. % of said dry matter is water-insoluble, said fiber composition comprising, by weight of dry matter: 15-50% cellulose; 5-45% pectin; 0-10% of monosaccharides, said monosaccharides being selected from fructose, glucose and combinations thereof; and 0.003-1% lycopene; wherein the fiber composition contains less than 60% pectin by weight of cellulose. The tomato fiber composition of the present invention has excellent water structuring properties. Another aspect of the invention relates to a method of manufacturing a product selected from a foodstuff, a beverage and a nutritional formulation, said method comprising incorporating into said product the aforementioned tomato fiber composition. The invention further provides a process of manufacturing a tomato fiber composition.