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Default Flatulence-producing foods

Any content in the colon which can be reduced by the critters there can
have as by products gases which to humans have an oder or not.
Regardless of oder the escape of the gases from the rectum is Flatulence.
Carbohydrates or fatty acids or protein can be the source of the gases
once produced.

There are more bacteria in the human colon then there are cells in the
human body. Bacteria are composed of protein and some suchdead bacteria
become the food source for other bacteria. Feces also contains protein
removed from the body as dead cells etc. as well as those from some food
sources.

The bacteria produce fatty acids which are the breakdown product of
undigestable carbohydrates eaten from plant sources. The less refined the
plant source the more such are not digestable and are fermented in the
gut. butyric acid is one such fatty acid which when fermented produces an
oder humans find objectionable. Other fatty acids are removed from the
body as a product of metabolism.

Given the above, any food source can produce Flatulence and depending on
which gas is produced an oder humans can smell will be produced.