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Definition of Aspartic acid

Aspartic acid: An amino acid, one of the 20 building blocks of protein. A amino acid that is not essential to the human diet, aspartic acid was discovered in protein in 1868. It has a role as a neurotransmitter. Symbol: Asp.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=22822
Last Editorial Review: 3/29/2003

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