A-amino acid | definition of a-amino acid by Medical dictionary
alpha-amino acid (redirected from a-amino acid)
α-a·mi·no ac·id (ă-mē'nō as'id),
Typically, an amino acid of the general formula R-CHNH3+-COO- (that is, the amino in the α position); the l forms of these are the hydrolysis products of proteins. In rarer usages, this class of molecules also includes α-amino phosphoric acids and α-aminosulfonic acids.
References in periodicals archive
Proline is the only free a-amino acid (AA) not assimilated by yeasts during alcoholic fermentation, even if it is one of the AAs most abundant in grape must.
YAN (yeast assimilable nitrogen) includes free a-amino acids (AA), ammonium and some peptides.
Thiazolidines are a-amino acid
derivatives which posses antiproliferative action [10 11].
L-Ala is an a-amino acid
and is one of the 20 proteinogenic amino acids, i.e.
Two main sources of YAN are found in grape juices and musts: a-amino acids
and ammonium ions.