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Related Experiment Videos

Dietary fibre: a roughage guide.

S L James1, J G Muir, S L Curtis

  • 1Department of Gastroenterology, Box Hill Hospital, Box Hill, Victoria, Australia.

Internal Medicine Journal
|June 26, 2003
PubMed
Summary
This summary is machine-generated.

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Dietary fibre offers health benefits by influencing the gastro-intestinal tract and systemically. While high-level evidence is limited, increasing fibre intake is recommended for overall well-being.

Area of Science:

  • Nutrition Science
  • Gastroenterology

Background:

  • Dietary fibre is complex, involving physical and physiological functions within the gastro-intestinal tract.
  • Fibre's effects can be systemic or localized, impacting overall health.
  • Classification by solubility and fermentability aids clinical application.

Purpose of the Study:

  • To explore the multifaceted roles of dietary fibre.
  • To outline mechanisms of action and potential health benefits.
  • To provide practical guidance for physicians regarding fibre intake.

Main Methods:

  • Review of existing literature on dietary fibre's actions and proposed physiological bases.
  • Classification of fibres based on solubility and fermentability.
  • Analysis of potential systemic and local effects within the gastro-intestinal tract.

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Main Results:

  • Dietary fibre acts via gel formation, bacterial fermentation, and a 'mop and sponge' effect.
  • Potential benefits include lowered serum cholesterol and improved glycaemic control.
  • High-level evidence for efficacy in specific clinical situations is currently limited.

Conclusions:

  • Encouraging high-fibre diet intake is likely beneficial for health.
  • Physicians should follow practical guidelines to promote fibre consumption.
  • Further research may be needed to solidify high-level evidence for specific applications.