glutamate

https://doi.org/10.1351/goldbook.11792
Salt of glutamic acid (2-aminopentanedioic acid).
Notes:
  1. Glutamate is a major excitatory neurotransmitter in the vertebrate nervous system.
  2. Monosodium glutamate (MSG) is commonly used in the food industry as a flavor enhancer, and at high doses has given rise to reported feelings of headache and discomfort.
Source:
PAC, 2015, 87, 841. (IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)) on page 870 [Terms] [Paper]