Definition of aspartic acid in English:

aspartic acid

Syllabification: as·par·tic ac·id
Pronunciation: /əˌspärtik ˈasid


  • An acidic amino acid that is a constituent of most proteins and also occurs in sugar cane. It is important in the metabolism of nitrogen in animals and also acts as a neurotransmitter.
    • Chemical formula: COOHCH2CH(NH2)COOH
    More example sentences
    • Infusion of the amino acids lysine and arginine, but not aspartic acid or glutamic acid, have been shown to stimulate the release of insulin in horses.
    • Carefully read food labels to see where you might be unknowingly ingesting aspartame; manufacturers sometimes list it as its components, the amino acids aspartic acid and phenylalanine.
    • Aspartame is an odorless, white crystalline powder derived from two amino acids, aspartic acid and phenylalanine.



More example sentences
  • Dr. Hans Neiper popularized the use of magnesium aspartate.
  • The second mutation was in a change in histidine at position 63 to aspartate.
  • The news of aspartate binding outside the cell travels via the same protein relay but has the opposite effect.


mid 19th century: aspartic from French aspartique, formed arbitrarily from Latin asparagus (see asparagus).

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