Alterations of fecal steroid composition induced by changes in dietary fiber consumption
| Autor: | Margaret J. Albrink, L. Vona, I. H. Ullrich, R. L. Reid, H. L. Y. Lai |
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| Rok vydání: | 1981 |
| Předmět: |
Adult
Dietary Fiber Male medicine.medical_specialty Time Factors Nitrogen medicine.drug_class Medicine (miscellaneous) Bile Acids and Salts Feces chemistry.chemical_compound Animal science Internal medicine medicine Humans Fiber Nutrition and Dietetics Bile acid Chemistry Sterol Cholestanol Coprostanol Neutral Detergent Fiber Cholesterol Endocrinology Low residue diet Composition (visual arts) |
| Zdroj: | The American Journal of Clinical Nutrition. 34:2054-2060 |
| ISSN: | 0002-9165 |
| DOI: | 10.1093/ajcn/34.10.2054 |
| Popis: | The short-term effects of high carbohydrate diets of normal foods either high or low in dietary fiber on fecal steroids and fiber was assessed in eight healthy young men. Each subject consumed in random order for 4 days a diet containing 59 g (high fiber) or 21 g (low fiber) neutral detergent fiber. After a 9-day rest period he consumed the other diet. Analysis of random fecal samples during their usual diet and after 4 days of each experimental diet showed an increase in primary bile acids from less than 4 to 32% of total bile acids, and a decrease of coprostanol from 76% (control diet) or 64% (low fiber diet) to 45% of total neutral sterol after the high fiber diet. Fecal fiber concentration doubled after the high fiber diet. We conclude that 4 days of high fiber diet is sufficient to cause a large increase in primary and decrease in secondary fecal steroids. Such changes have implications for prevention of arteriosclerosis and cancer of the colon. Am. J. Clin. Nutr. 34: 2054-2060, 1981. |
| Databáze: | OpenAIRE |
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