Carnosine – example of dipeptide
L-α-dipeptides (dipeptides) have not been studied nearly as much as have proteins and amino acids. The primary research has been done on L-aspartyl-L-phenylalanine methylester (aspartame) and Ala-Gln (Lalanyl-L-glutamine) because they are used in popular commercial products. In addition to this fact, another reason many dipeptides have not been studied thoroughly is that dipeptide production lacks effective production processes, even though several chemical and chemoenzymatic methods have been reported.