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Fibre and bowel transit times

Published online by Cambridge University Press:  09 March 2007

J. S. S. Gear
Affiliation:
Department of Community Medicine and General Practice, University of Oxford, 8 Keble Road, Oxford OX1 3QN
A. J. M. Brodribb
Affiliation:
Department of Community Medicine and General Practice, University of Oxford, 8 Keble Road, Oxford OX1 3QN
Alison Ware
Affiliation:
Department of Community Medicine and General Practice, University of Oxford, 8 Keble Road, Oxford OX1 3QN
J. I. Mannt
Affiliation:
Department of Community Medicine and General Practice, University of Oxford, 8 Keble Road, Oxford OX1 3QN
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Abstract

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1. Bowel transit time has been investigated in vegetarians and non-vegetarians and related to dietary fibre intake and the presence of diverticular disease.

2. Vegetarians who have less diverticular disease than non-vegetarians have more rapid transit times.

3. Subjects with total dietary fibre intake of more than 30 g/d all had transit times of less than 75 h whereas 38% of those eating less had transit times exceeding 75 h and varying up to 124 h.

4. Individuals with diverticular disease were found to have faster transit times than those without the disease.

5. The colon may respond to a fibre-depleted diet either by becoming hyperactive and prone to diverticular disease or by becoming hypoactive leading to constipation.

Type
Papers of direct to Clinical And Human Nutrition
Copyright
Copyright © The Nutrition Society 1981

References

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