date:Nov 20, 2018
ee different bitter tastes caffeine, quinine, and Tetralone, a hop extract found in beers.
The researchers repeated the experiment with a new group of study subjects and assigned unique colors to each bitter chemical, such as yellow for caffeine and green for quinine. However, after four lab visits, participants could not match the colors to their corresponding bitter compounds any better than expected by chance.
Although the research did not get the results they expected, they still were in