What sugars are in bananas?

The three main sugars in bananas are sucrose, glucose, and fructose. Sucrose is the predominant sugar in bananas, making up about 60% of the total sugar content. Glucose and fructose each account for about 20% of the total sugar content. In addition to these three main sugars, bananas also contain trace amounts of other sugars, such as maltose and galactose.