https://phys.org/news/2018-07-key-sweetness.html A cranberry, honey or a candy bar—which tastes the sweetest? These foods contain sugars that humans can perceive differently. A cranberry seems tart, whereas a candy bar can be excessively sweet, and honey is somewhere in the middle. Now, in a study in ACS' The Journal of Physical Chemistry Letters, researchers have shown that the perception of sweetness depends on molecular interactions between specific sugars and water in the saliva.
I known this as I love water...