Intestinal gas metabolism

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

doi:10.1016/S1594-5804(09)60015-2

Intestinal gas metabolism

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

IRCCS Fondazione Policlinico San Matteo

Research output: Contribution to journal › Article › peer-review

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 language	English
Pages (from-to)	27-29
Number of pages	3
Journal	Digestive and Liver Disease Supplements
Volume	3
Issue number	2
DOIs	https://doi.org/10.1016/S1594-5804(09)60015-2
Publication status	Published - Jul 2009

Keywords

Gas-related clinical syndromes
Intestinal bacteria
Intestinal gas

ASJC Scopus subject areas

Gastroenterology
Hepatology

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10.1016/S1594-5804(09)60015-2

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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.",

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AU - Montalto, M.

AU - Di Stefano, M.

AU - Gasbarrini, A.

AU - Corazza, G. R.

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AB - 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.

KW - Gas-related clinical syndromes

KW - Intestinal bacteria

KW - Intestinal gas

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Intestinal gas metabolism

Abstract

Keywords

ASJC Scopus subject areas

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