found: Journal of nutrition, June 2003:suppl. 2, p. 2052 (For the evaluation of the adequate intake of dietary amino acids and the assessment of their safety, basic knowledge of the protein metabolism in the body is essential. Protein synthesis and proteolysis are the major two fluxes. Both are coordinately regulated in the physiological state, but their mechanisms are entirely independent. The rate of proteolysis, as well as that of protein synthesis, is continually controlled to maintain homeostasis of body protein)
