noun[mass noun] Biochemistry
An acidic amino acid which 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.
- 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.
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