The health benefit and physiological properties of dietary fiber are difficult to predict on the basis of their structures
alone, however, they are predictable on the basis of physicochemical properties such as water holding capacity, swelling,
oil or fat binding capacity, viscosity, cation exchange capacity, bile acid binding, particle size etc. Thus physiological
effects of fiber are dependent on a complex mixture of structural, chemical and physical properties (Blackwood et al. 2000)