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. Glutamates are also used as food additives: They enhance flavour. The E numbers 620 to 625 have been assigned to the most important glutamates. They are commonly found in Convenience food and Asian cuisine.
- 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"