Abstract
For almost a generation, dietary fiber has been a household word and has carried a remarkably persuasive aura of disease prevention. Both the public and cereal companies have taken up dietary fiber with great enthusiasm. Consumers can now rate breakfast cereals by the amount of fiber listed on the box and take particular note if the cereal contains oat bran, a source of soluble fiber thought to be of particular merit. What is truth and what is fiction about dietary fiber?Fiber is present in all plant foods that have had no more than a minimum of processing. Thus, our . . .