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Fiber in the gastrointestinal tract
The American Journal of Clinical Nutrition
|October 1, 1978
Summary
Dietary fiber from fruits, vegetables, and cereals significantly impacts bowel function. Specific fiber sources like wheat bran, apples, oranges, and carrots are recommended for treating conditions such as diverticular disease and constipation.
Area of Science:
- Gastroenterology and Nutritional Science
- Colorectal Physiology
Background:
- Dietary fiber's influence on bowel function is well-established.
- The colon's distinct roles in fermentation, absorption, and continence are recognized.
- Understanding the physical-chemical properties of fiber provides a basis for therapeutic recommendations.
Purpose of the Study:
- To discuss the rationale for fiber use based on its physical-chemical properties.
- To recommend specific fiber sources for common colonic disorders.
Main Methods:
- Discussion of the physical-chemical properties of dietary fiber.
- Correlation of fiber properties with colonic function.
- Evidence-based recommendations for specific food items.
Main Results:
- Dietary fiber significantly alters bowel function.
- Coarse wheat bran, apples, oranges, and carrots possess beneficial physical-chemical properties.
- These properties support their use in managing colonic conditions.
Conclusions:
- Fiber's physical-chemical properties provide a scientific basis for its therapeutic application.
- Specific fruits, vegetables, and cereal fibers are effective in managing diverticular disease, spastic colon, and constipation.