The cellulose/pectin combination (C/P) investigated in this study is as efficacious as a psyllium seed product widely used as a bulk laxative. Because of its physical characteristics (whiteness, lack of flavor and odor, lack of gelling upon standing), it is easy to use as a component of baked foods, sauces, drinks, stews, and in other recipes. Given its fecal bulking equivalence to the popular psyllium-based products, C/P offers advantages to the patient who takes a bulking agent regularly because of the wide choice of methods of consumption, ensuring better compliance over long periods of time. This cellulose/pectin combination appears to be a viable alternative to the limited choice presently available to the bulk laxative user and could also be used as a plant fiber supplement whenever this is desirable.
Dietary fiber was extensively discussed in an article by G.A. Spiller and R.J. Amen in this journal in 1975 (Volume 7 Issue 1). The progress in this field has been tremendous in the past 2 years. What was an uncertain field in 1975 and what at that time to some investigators still appeared as a hypothesis or fad without much proof has turned into a much more respected part of nutritional sciences. The scientific quality of recent studies on dietary fiber in human nutrition shows a great deal of sophistication and care. Improved analytical methodologies are being used more extensively. Many nutritionists and clinicians have accepted the fact that a reasonable increase in the dietary fiber intake in the U.S. and U.K would be advisable. In this article, the possible beneficial effects of dietary fiber on health, the possible harmful side effects, and the food science aspects are carefully discussed after an update on chemistry, analytical procedures, and nomenclature. Undoubtedly, dietary fiber has found a new niche in the sciences of nutrition, medicine, epidemiology, and foods.
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