Onion is one legume that is hated by most people because of the smell it leaves on the breathe of people after consumption when eaten raw, as smelly as it is, it is very effective in the treatment of some diseases.
Reserchers have found out that Onions have a unique combination of three families of compounds that are believed to have salutary effects on human health - fructans, flavonoids and organosulfur compounds. Fructans are small carbohydrate molecules that help maintain gastrointestinal health by sustaining beneficial bacteria.