Table 1: Amino acid composition of bovine and tilapia.

Amino acidsResidues/1000
Bovine*Tilapia**

Hydroxyproline8785.5
Asparaginic acid3544.0
Threonine1725.2
Serine3535.6
Glutamic acid7072.3
Proline105113.4
Glycine296332.3
Alanine122131.9
Valine1717.2
Methionine179.6
Isoleucine178.8
Leucine3522.4
Tyrosine171.5
Phenylalanine1712.3
Histidine75.6
Hydroxylysine179
Lysine3523.6
Arginine5249.6

Courtesy of Professor Mitsuo Yamauchi, North Carolina Oral Health Institute, NC, USA.
Courtesy of Department of Protein Engineering, Nippi Inc., Tokyo, Japan.