Strategies for the discovery and identification of food protein-derived biologically active peptides

Targeted approaches have, in certain instances, resulted in the development of particularly potent BAPs/hydrolysates and the discovery of novel BAP sequences. In addition, significant progress has been made in the identification of short peptides, involving the utilisation of multi-stage processes combining various physicochemical, analytical and in silico tools. This has allowed identification of novel sequences which are more relevant to human health from a bioavailability and stability perspective. BAPs have successfully been detected and quantified in human samples (e.g., serum, intestinal contents and urine) using different liquid chromatography-mass spectrometric (LC-MS) methodologies. In addition, human dose-response studies have allowed determination of their in vivo potency and efficacy, which in turn contributes to the development of scientific dossiers for regulatory approval.