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The effect of wheat fibre on plasma lipids and faecal steroid excretion in man

Published online by Cambridge University Press:  06 August 2007

R. M. Kay
Affiliation:
Department of Nutrition, Queen Elizabeth College, Campden Hill, London W8 7AH
A. S. Truswell
Affiliation:
Department of Nutrition, Queen Elizabeth College, Campden Hill, London W8 7AH
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Abstract

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1. The effect of isoenergetic substitution of bran and wholemeal bread for white flour and white bread was investigated in six healthy volunteers in a metabolic unit.

2. A 21 d high-fibre experimental period was preceded and followed by a 14 d control period, so that each experiment lasted 7 weeks. Blood samples were taken on each of the last 3 d and faeces collected (using carmine markers) for the last 6 d of each diet period.

3. Plasma cholesterol, triglycerides and serum calcium concentrations were not altered by the addition of wheat fibre.

4. Wheat fibre caused a significant increase in faecal bulk and frequency. Faecal steroid excretion was the same in the last week of the first control and the high-fibre periods but increased in the subsequent control period.

Type
Papers of direct relevance to Clinical and Human Nutrition
Copyright
Copyright © The Nutrition Society 1977

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