Background and Objective:FODMAPs(Fermentable Oligo-Di-and Mono-saccharides and Polyols)are common carbohydrates in diets.They can induce gastrointestinal symptoms in functional gastrointestinal disorder patients due to their rapid fermentation in the colon which will increase gas production.For studing FODMAPs fermentability in the colon,there are in-vivo and in-vitro methods.In-vivo study reflects the real fermentation in the gut,but it's time-consuming.In-vitro batch systems the study is easier and more t...