The quantity of colonic flatus excreted by the “normal” individual

Beazell, J. M.; Ivy, A. C.

doi:10.1007/bf02998212

Cited by 24 publications

(3 citation statements)

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“…The gas bags were changed at 30 minute intervals for the first 6 hours, then at hourly intervals until the subjects retired to bed; one bag was used overnight and then after waking hourly changes were made until the 24 hour collection was completed. The volunteers were fully mobile and noted any exercise they undertook.…”

mentioning

confidence: 99%

Investigation of normal flatus production in healthy volunteers.

Tomlin

Lowis²,

Read³

1991

Gut

121

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Flatulence can cause discomfort and distress but there are few published data of normal patterns and volumes. Twenty four hour collections were made using a rectal catheter in 10 normal volunteers taking their normal diet plus 200 g baked beans. Total daily volume ranged from 476 to 1491 ml (median 705 ml). Women and men (both n=5) expelled equivalent amounts. The median daily flatus hydrogen volume was 361 ml/24 h (range 42-1060) and the carbon dioxide volume 68 ml/24 h (range 25-116), three volunteers produced methane (3, 26, and 120 ml/24 h), and the remaining unidentified gas (presumably nitrogen) or gases contributed a median 213 ml/24 h (range 61-476). Larger volumes of flatus were produced after meals than at other times. Flatus produced at a faster rate tended to contain more fermentation gases. Flatus was produced during the sleeping period, but the rate was significantly lower than the daytime rate

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mentioning

confidence: 99%

Investigation of normal flatus production in healthy volunteers.

Tomlin

Lowis²,

Read³

1991

Gut

121

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“…Data on the composition of intestinal gas in normal human beings are meager, but that which is available confirms the expectation that most of the gas present is nitrogen (table XXVII) (9,20,81,206). Smaller amounts of CO, and 0 2 are present and, depending on the diet, ^ variable proportion of the putrefactive gases, CH4, Ho, and H2S may be present.…”

Section: Bmentioning

confidence: 54%

Dysbarism

Adler¹

1964

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“…Various estimates of average flatus volume vary from 500 ml per day (Beazell and Ivy, 1941) to over two liters per day (Kirk, 1949, cites values as high as 1. 84 ml/min).…”

Section: %mentioning

confidence: 99%