Irritable Bowel Syndrome Message Boards | Re: amount of SF in banana?

Generally speaking when you look at fiber tables you will find that a ripe banana that is yellow but still with a green has a little more IF than SF.

What the tables don't give is the amount of functional fiber a food contains. A functional fiber is a constituent in foods that is resistant to digestion and acts like a soluble fiber.

Bananas contain a significant amount of resistant starch which is a functional fiber. When you add the amount of resistant starch to the amount of soluble fiber contained in a banana you find it contains more SF than IF.

I posted more about functional fiber acting as soluble fiber in this posting using white rice as an example. The confusion comes from a change in the definition of dietary fiber a few years ago

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