Why fructose is sweeter than glucose?

Answer 1

Fructose and glucose are both monosacharides.

Sucrose is a disaccharide containing fru-glu.

Both are sweet, but fructose tastes sweeter per mole.

I believe 2 times greater.

Which is why glucose from corn starch is enzymatically converted to fructose in the production of high fructose corn syrup and sweeteners.

The product will give more sweetness.

The lower amount of sugar you need in your food and beverages to satisfy your sweet taste, the better.

Cheaper and less calories.

The reason why.

Your tongue has sweet receptors.

Fructose has a more optimal structure for binding affinity to the receptor.

Which then elicits a neural response;

impulse travels to brain telling you it is sweet and how sweet.

Other compounds, non-sugars can also bind to the receptor.

e.g. Aspartame (derived from the amino acid asparagine), and some proteins.

They are non- to low caloric and low tooth decay.

Answer 2

Fructose is a highly concentrated type of sugar. It is sweeter than glucose becomes it comes from fruits and glucose is more of a simple sugar.

Answer 3

Because fructose fits into the sweetness receptors in your tongue more than glucose and your brain thinks it tastes sweeter.

Answer 4

sucrose