Intestinal gas metabolism

M. Montalto, M. Di Stefano, A. Gasbarrini, G. R. Corazza

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Intestinal gas metabolism involves a series of physiological processes, concerning gas production, consumption, excretion and disposal in different gut compartments. We report a summary of the actual knowledge on this complex and interesting part of intestinal physiology. The volume of human intestinal gas is less than 200 ml and its composition varies along the gastrointestinal tract. More than 99% is composed of hydrogen, oxygen, methane, carbon dioxide and nitrogen, while less than 1% is composed of various other odoriferous gases. Intestinal gas derives from swallowed air, intraluminal production (chemical reactions and bacterial metabolism) and diffusion into the lumen from bloodstream. Gas removal from the intestinal tract occurs by eructation, absorption, bacterial consumption and anal evacuation.

Original languageEnglish
Pages (from-to)27-29
Number of pages3
JournalDigestive and Liver Disease Supplements
Volume3
Issue number2
DOIs
Publication statusPublished - Jul 2009

Fingerprint

Gases
Eructation
Physiological Phenomena
Methane
Carbon Dioxide
Gastrointestinal Tract
Hydrogen
Nitrogen
Air
Oxygen

Keywords

  • Gas-related clinical syndromes
  • Intestinal bacteria
  • Intestinal gas

ASJC Scopus subject areas

  • Gastroenterology
  • Hepatology

Cite this

Intestinal gas metabolism. / Montalto, M.; Di Stefano, M.; Gasbarrini, A.; Corazza, G. R.

In: Digestive and Liver Disease Supplements, Vol. 3, No. 2, 07.2009, p. 27-29.

Research output: Contribution to journalArticle

Montalto, M. ; Di Stefano, M. ; Gasbarrini, A. ; Corazza, G. R. / Intestinal gas metabolism. In: Digestive and Liver Disease Supplements. 2009 ; Vol. 3, No. 2. pp. 27-29.
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