[R.B.]

Mighty complicated but:

Table sugar is half fructose and half glucose. Fructose syrups may contain more or less than 50% fructose depending on which one you look at.

We have bred fruits that contain higher levels of fructose, in part because we like sweet fruit and weight for weight fructose is sweeter than glucose.



They are metabolised by different pathways, to a common substance that is broken down by the mitochondria.



Food highest in fructose are listed her and a few in the top 20 may surprise you.

http://nutritiondata.self.com/foods-...000000000.html