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.
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.
The substances utilized for what is commonly referred to as 'protein therapeutics' have one thing in common they are all composed primarily of a-amino acids
; and these a-amino acids
are linked together by a distinct chemical bond known as a "peptide" bond.
Two main sources of YAN are found in grape juices and musts: a-amino acids
and ammonium ions.