monosodium glutamate(redirected from E621)
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monosodium glutamate:see glutamic acidglutamic acid
, organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer occurs in mammalian proteins.
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monosodium glutamate[¦män·ə′sōd·ē·əm ′glüd·ə‚māt]
a white crystalline substance, the sodium salt of glutamic acid, that has little flavour itself but enhances the flavour of proteins either by increasing the amount of saliva produced in the mouth or by stimulating the taste buds: used as a food additive, esp in Chinese foods. Formula: NaC5H8O4