From Wikipedia - Monosodium glutamate, sodium glutamate, flavour enhancer 621, EU food additive code: E621, HS code: 29224220 (IUPAC name 2-aminopentanedioic acid. Also known as 2-aminoglutaric acid), commonly known as MSG, Ajinomoto, Vetsin, or accent, is a sodium salt of glutamic acid. MSG is a food additive, popularly marketed as a "flavour enhancer".
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