Fructose can be found as free fructose (various fruits such as apples and honey) or chains of fructose units known as fructans (various vegetables and wheat)[1]. (fodmapdietetics.com)
Once diagnosed with fructose malabsorption it is best to eliminate high fructose and fructan foods in order to reduce unpleasant gastrointestinal symptoms [1]. (fodmapdietetics.com)