The present invention provides a composition comprising dietary fibers with high water holding capacity (WHC) wherein said composition is obtained from tomato pulp which is substantially free of see, peels, carotenoids and lipids and exhibits WHC, in weight ratio, in the range of about 1:13 to 1:60. The present invention further provides the use of the composition of the present invention as a texturing, bulking, viscosity controlling or syneresis-preventing agent for food. The present invention further provides a process for preparing said composition.