7.Onions
Onions are widely used in food mostly in cooked form in meals as well as in salads. Onions also consist of complex sugar namely fructans which are not digestible in the small intestine of humans and can undergo fermentation by the bacteria in gut and produce gases that cause bloating and abdominal discomfort. The bloating caused by onions can be reduced by eating onions in cooked form as compared to raw form or by using alternatives such as herbs where possible.