The effect of a natural high-fiber diet on serum lipids, fecal lipids, and colonic function
- 1 September 1979
- journal article
- research article
- Published by Elsevier in The American Journal of Clinical Nutrition
- Vol. 32 (9), 1881-1888
- https://doi.org/10.1093/ajcn/32.9.1881
Abstract
In a cross-over experiment, 46 young healthy volunteers consumed in succession a high-fiber and a low-fiber diet for 3 weeks at two levels of dietary cholesterol. Half of the dietary fiber came from fruits and vegetables, and the rest from bread and other cereal products. On the high-fiber diet, concentrations of serum cholesterol decreased on average by 0.44 mmole/liter with high-cholesterol and 0.31 mmole/liter with low-cholesterol regimes; high density lipoprotein-cholesterol decreased by 0.1 mmole/liter, on average fecal weight increased by 115 g/day and mean transit time through the gut was decreased by 18 hr. Only part of the decrease in serum cholesterol may be due directly to the high intake of dietary fiber components. The remainder is due to differences in fat intake: during the high-fiber period subjects consumed less fat and cholesterol than had been planned.Keywords
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