Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The composition of taste samples. Bitterness, umami and sweetness samples were obtained by adding a sample to reference solution as a solvent.
| Taste | Composition |
|---|---|
| Bitterness | 0.01 vol % iso-α-acid |
| Saltiness | 300 mM KCl, 0.3 mM tartaric acid |
| Sourness | 3 mM tartaric acid, 30 mM KCl |
| Umami | 10 mM monosodium glutamate |
| Sweetness | 300 mM sucrose |
| Reference solution | 30 mM KCl, 0.3 mM tartaric acid |
