Glutamic acid

group of stereoisomers

Glutamic acid is a non-essential amino acid. Its salts are known as glutamates. Glutamate are important neurotransmitters. They are important for long-term potentiation, learning and memory.[1] Glutamates are also used as food additives: They make flavour better. The E numbers 620 to 625 have been assigned to the most important glutamates, for example monosodium glutamate. They are commonly found in Convenience food and Asian cuisine.


  1. Robert Sapolsky (2005). "Biology and human behavior: the neurological origins of individuality, 2nd edition". The Teaching Company. see pages 19 and 20 of Guide Book