Beans contain a sugar molecule called ‘Oligosaccharides’. These types of sugars cannot be digested by the stomach or small intestine. They get passed on to the large intestine where numerous types of bacteria begin to break them down. During the process, the bacteria release several different types of gases, mainly hydrogen, nitrogen and carbon dioxide. Don’t be concerned about these particular gases, they are stench-free! Your fetid flatulence affliction is from a different source.
About 1/3 of the microbes end up producing methane as a result of breaking down these sugars. Once the methane builds up to the point that it begins to produce pressure on your anal sphincter…. BAM!!!
Read the whole thing at Today I Found Out.