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Dipeptidyl peptidase IV (DPP-IV) inhibitory peptides have emerged as promising functional ingredients for managing type 2 diabetes due to their ability to enhance insulin secretion and improve glycemic control. This review provides a concise overview of current strategies for the preparation and encapsulation of DPP-IV inhibitory peptides, with a focus on food industry application, evaluating bioinformatics for substrate selection, and methods like mild enzymatic hydrolysis, cost-effective fermentation, and high-purity chemical synthesis for peptide production. Challenges associated with incorporating these peptides into food products are addressed, including impacts on sensory properties, stability during processing and digestion, and the need for effective delivery systems to enhance bioavailability. Potential solutions to improve peptide stability and targeted release, such as emulsions, liposomes, and nanoparticles, are explored. Future research directions are outlined, emphasizing the necessity for scalable production methods, co-encapsulation strategies, and consumer acceptance studies to facilitate the commercialization of DPP-IV inhibitory peptides as functional food ingredients. By addressing these key areas, this review aims to provide a theoretical foundation and practical guidance for the development of DPP-IV inhibitory peptides, paving the way for their broader application in the prevention and management of type 2 diabetes.
Zhao et al. (Thu,) studied this question.