•Axit amin L: Alanine, Arginine, Axit aspartic, Asparagine, Valine, Axit glutamic, Glutamine, Glycine, Histidine, Hydroxyproline, Proline, Leucine, Isoleucine, Lysine, Hydrooxylysine, Methionine, Serine, Threonine, Tryptophanium, Phyrodyrosine.
•Oligo Peptide: di- / tri-peptides