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Nutr Res Rev. 2016 Jun;29(1):91-101. doi: 10.1017/S0954422416000032. Epub 2016 Apr 25.

Bioavailability of milk protein-derived bioactive peptides: a glycaemic management perspective.

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School of Agriculture and Food Science,Institute of Food and Health and Food for Health Ireland (FHI),University College Dublin,Belfield,Dublin 4,Republic of Ireland.


Milk protein-derived peptides have been reported to have potential benefits for reducing the risk of type 2 diabetes. However, what the active components are and whether intact peptides exert this bioactivity has received little investigation in human subjects. Furthermore, potentially useful bioactive peptides can be limited by low bioavailability. Various peptides have been identified in the gastrointestinal tract and bloodstream after milk-protein ingestion, providing valuable insights into their potential bioavailability. However, these studies are currently limited and the structure and sequence of milk peptides exerting bioactivity for glycaemic management has received little investigation in human subjects. The present article reviews the bioavailability of milk protein-derived peptides in human studies to date, and examines the evidence on milk proteins and glycaemic management, including potential mechanisms of action. Areas in need of advancement are identified. Only by establishing the bioavailability of milk protein-derived peptides, the active components and the mechanistic pathways involved can the benefits of milk proteins for the prevention or management of type 2 diabetes be fully realised in future.


ACE angiotension I-converting enzyme; Bioavailability; CMP caseinomacropeptide; DPP-4 dipeptidyl peptidase-4; GI gastrointestinal; GIP glucose-dependent insulinotropic polypeptide; GLP-1 glucagon-like peptide-1; Milk protein; Peptides; T2D type 2 diabetes; Type 2 diabetes

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