Disodium 5'-inosinate
Disodium 5'-inosinate (IMP disodium salt) is a nucleotide-based umami agent. Disodium 5'-inosinate can bind to umami receptors and stimulate taste nerves, allowing the brain to perceive umami. In addition, Disodium 5'-inosinate produces a transient behavioral excitement in mice[1][2].