When a potato is eaten, the amylase in the saliva mixes with the potato starch and starts breaking it down into sugars, some wil be glucose acording to [1].
You can test this yourself by eating a plain cracker. A plain cracker doesn't contain any sugar, but if you keep chewing it you will notice a sweet taste in the mouth. This is from the sugars released by amylase.
There is no mention of fructose on the amylase wikipedia page. So maybe you are right.
You can test this yourself by eating a plain cracker. A plain cracker doesn't contain any sugar, but if you keep chewing it you will notice a sweet taste in the mouth. This is from the sugars released by amylase.
There is no mention of fructose on the amylase wikipedia page. So maybe you are right.
[1] - https://en.wikipedia.org/wiki/Amylase