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Disodium guanylate

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Disodium guanylate
Skeletal formula of disodium guanylate
Ball-and-stick model of the component ions of disodium guanylate
Names
IUPAC name Disodium 5′-guanylate
Systematic IUPAC name Disodium methyl phosphate
Other names
  • Sodium 5'-guanylate
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.024.468 Edit this at Wikidata
E number E627 (flavour enhancer)
PubChem CID
UNII
CompTox Dashboard (EPA)
SMILES
  • C1=NC2=C(N1C3C(C(C(O3)COP(=O)())O)O)NC(=NC2=O)N..
Properties
Chemical formula C10H12N5Na2O8P
Molar mass 407.186 g·mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒N verify (what is  ?) Infobox references
Chemical compound

Disodium guanylate, also known as sodium 5'-guanylate and disodium 5'-guanylate, is a natural sodium salt of the flavor enhancing nucleotide guanosine monophosphate (GMP). Disodium guanylate is a food additive with the E number E627. It is commonly used in conjunction with glutamic acid.

As it is a fairly expensive additive, it is usually not used independently of glutamic acid; if disodium guanylate is present in a list of ingredients but MSG does not appear to be, it is likely that glutamic acid is provided as part of another ingredient such as a processed soy protein complex. It is often added to foods in conjunction with disodium inosinate; the combination is known as disodium 5'-ribonucleotides.

Disodium guanylate is produced by fermentation. It is often added to instant noodles, potato chips and other snacks, savory rice, tinned vegetables, cured meats, and packaged soup.

See also

References

  1. "SID 164216535 - PubChem". pubchem.ncbi.nlm.nih.gov.
  2. E627 : Sodium guanylate
  3. Conn, Helen (1 February 1992). ""Umami": The Fifth Basic Taste". Nutrition & Food Science. 92 (2): 21–23. doi:10.1108/EUM0000000000953.
  4. Kinoshita, Kazumoto; Shiro, Teruo; Yamazaki, Akihiro; Kumashiro, Izumi; Takenishi, Tadao; Tsunoda, Toshinao (July 1967). "Industrial production of disodium 5?-guanylate". Biotechnology and Bioengineering. 9 (3): 329–342. doi:10.1002/bit.260090306. S2CID 84216811.
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