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Definition of Glutamic acid

Glutamic acid: An amino acid, one of the 20 building blocks of protein. A nonessential amino acid, glutamic acid is present in many animal and plant proteins. It is involved in ammonia metabolism and serves as a neurotransmitter. Glutamic acid was isolated from wheat gluten in 1866 and first synthesized in 1890. Symbol: Glu.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=22824
Last Editorial Review: 4/5/2003

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