In addition to the therapeutic proteins, peptides also play a vital role
in metabolic regulation and modulation after releasing from the parent protein.
Peptides with therapeutic potentials are referred as bioactive
peptides and these peptides have potential to be used as nutraceuticals and functional food ingredients for health promotion and disease risk reduction.
Bioactive peptides are 2–20 amino acids long protein fragments;
generally remain latent within the parent protein molecule.
Once released by hydrolysis, the active peptides exert hormone-like
effects on physiological processes of human body beyond their nutritional value.