CHEBI:64243 - monosodium L-glutamate

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ChEBI Name monosodium L-glutamate
ChEBI ID CHEBI:64243
ChEBI ASCII Name monosodium L-glutamate
Definition An optically active form of monosodium glutamate having L-configuration.
Stars This entity has been manually annotated by the ChEBI Team.
Supplier Information ChemicalBook:CB8136677, eMolecules:901282
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Monosodium glutamate (MSG), also known as sodium glutamate, is a sodium salt of glutamic acid. MSG is found naturally in some foods including tomatoes and cheese in this glutamic acid form. MSG is used in cooking as a flavor enhancer with a savory taste that intensifies the umami flavor of food, as naturally occurring glutamate does in foods such as stews and meat soups. MSG was first prepared in 1908 by Japanese biochemist Kikunae Ikeda, who tried to isolate and duplicate the savory taste of kombu, an edible seaweed used as a broth (dashi) for Japanese cuisine. MSG balances, blends, and rounds the perception of other tastes. MSG, along with disodium ribonucleotides, is commonly used and found in stock (bouillon) cubes, soups, ramen, gravy, stews, condiments, savory snacks, etc. The U.S. Food and Drug Administration has given MSG its generally recognized as safe (GRAS) designation. It is a popular misconception that MSG can cause headaches and other feelings of discomfort, known as "Chinese restaurant syndrome". Several blinded studies show no such effects when MSG is combined with food in normal concentrations, and are inconclusive when MSG is added to broth in large concentrations. The European Union classifies it as a food additive permitted in certain foods and subject to quantitative limits. MSG has the HS code 2922.42 and the E number E621.
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Formula C5H8NNaO4
Net Charge 0
Average Mass 169.11110
Monoisotopic Mass 169.03510
InChI InChI=1S/C5H9NO4.Na/c6-3(5(9)10)1-2-4(7)8;/h3H,1-2,6H2,(H,7,8)(H,9,10);/q;+1/p-1/t3-;/m0./s1
InChIKey LPUQAYUQRXPFSQ-DFWYDOINSA-M
SMILES [Na+].[NH3+][C@@H](CCC([O-])=O)C([O-])=O
Roles Classification
Biological Role(s): flavouring agent
A food additive that is used to added improve the taste or odour of a food.
Application(s): flavouring agent
A food additive that is used to added improve the taste or odour of a food.
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ChEBI Ontology
Outgoing monosodium L-glutamate (CHEBI:64243) has part L-glutamate(1−) (CHEBI:29985)
monosodium L-glutamate (CHEBI:64243) has role flavouring agent (CHEBI:35617)
monosodium L-glutamate (CHEBI:64243) is a monosodium glutamate (CHEBI:64220)
monosodium L-glutamate (CHEBI:64243) is enantiomer of monosodium D-glutamate (CHEBI:64244)
Incoming monosodium D-glutamate (CHEBI:64244) is enantiomer of monosodium L-glutamate (CHEBI:64243)
IUPAC Name
sodium (2S)-2-azaniumylpentanedioate
Synonyms Sources
Glutamate monosodium salt ChemIDplus
Glutamate Sodium ChemIDplus
Glutamic acid, monosodium salt ChemIDplus
Glutammato monosodico ChemIDplus
L(+) Sodium glutamate ChemIDplus
Monosodioglutammato ChemIDplus
Monosodium glutamate ChemIDplus
MSG ChemIDplus
Natrium L-hydrogenglutamat ChemIDplus
Natriumglutaminat ChemIDplus
sodium (2S)-2-ammoniopentanedioate IUPAC
Sodium glutamate ChemIDplus
Sodium hydrogen glutamate ChemIDplus
Sodium L-glutamate ChemIDplus
Manual Xref Database
Monosodium_glutamate Wikipedia
View more database links
Registry Numbers Types Sources
142-47-2 CAS Registry Number ChemIDplus
17456768 Reaxys Registry Number Reaxys
Citations Waiting for Citations
Last Modified
20 February 2013