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Related Experiment Videos

Flatus emission patterns and fibre intake.

T D Bolin1, R A Stanton

  • 1Gastrointestinal Unit, Prince of Wales Hospital, Randwick, NSW, Australia.

The European Journal of Surgery. Supplement. : = Acta Chirurgica. Supplement
|February 24, 1999
PubMed
Summary
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This study found that daily flatus emissions correlate significantly with dietary fiber intake. Men reported more frequent and aromatic flatus, particularly after consuming beer.

Area of Science:

  • Gastroenterology
  • Human Physiology
  • Dietary Science

Background:

  • Understanding normal flatus (gas) production is crucial for managing gastrointestinal complaints like excessive gas and abdominal distention.
  • Dietary factors, especially fiber, are commonly implicated in flatus generation, but quantitative data on normal ranges are limited.

Purpose of the Study:

  • To establish the normal range of flatus emissions in healthy adults.
  • To investigate the relationship between flatus frequency, dietary fiber intake, and beer consumption.
  • To provide a baseline for assessing abnormal flatus in clinical settings.

Main Methods:

  • 120 healthy participants (60 men, 60 women) aged 17-67 years recorded daily flatus emissions, dietary fiber intake, and beer consumption over three days, including a weekend day.

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  • Statistical analysis was used to determine correlations between variables.

    • Main Results:

    • Average daily flatus emissions were 12.7 for men (range 2-53) and 7.1 for women (range 1-32).
    • Flatus emissions showed a significant positive correlation with dietary fiber intake (p<.001).
    • Increased flatus aroma correlated with beer intake in men, who reported more aromatic flatus than women.

    Conclusions:

    • Dietary fiber intake is a significant determinant of flatus emission frequency in healthy individuals.
    • Beer consumption may influence flatus aroma, particularly in men.
    • This study provides normative data for flatus emissions, aiding in the clinical evaluation of patients with excessive gas complaints.