L-Aspartic Acid

L-aspartic acid is one of the non-essential amino acids commonly occurring in the L-form. It is found in animals and plants, especially in sugar cane and sugar beets. It may be a neurotransmitter. L-

Aspartic Acid is widely used in food and pharmaceutical industry as an important amino acid. It is used as dietetic supplement, additive for kinds of soft drink. In medicine, it is used as ammoniac detoxicating agent. hepar function accelerator and fatigue refresher. Aspartic acid is one of two acidic amino acids. Aspartic acid and glutamic acid play important roles as general acids in enzyme active centers, as well as in maintaining the solubility and ionic character of proteins. Proteins in the serum are critical to maintaining the pH balance in the body; it is largely the charged amino acids that are involved in the buffering properties of proteins. Aspartic acid is alanine with one of the β hydrogens replaced by a carboxylic acid group. The pKa of the β carboxyl group of aspartic acid in a polypeptide is about 4.0. Note that aspartic acid has an α-keto homolog, oxaloacetate, just as pyruvate is the α-keto homolog of alanine. Aspartic acid and oxaloacetate are interconvertable by a simple transamination reaction, just as alanine and pyruvate are interconvertible.

Description: White crystals or crystalline powder having a slightly acid taste. It is slightly soluble in water. It is soluble in acid, alkali and salt water,but dissoluble in alcohol and in ethyl ether.

L-Aspartic acid research information

Herbal Descriptions - Aspartic Acid
Molecular Expressions: The Amino Acid Collection - Aspartic Acid
L-Aspartic acid technical information
Aspartic acid amino acid information page
Publications about 'Aspartic Acid'