Two novel calcium delivery systems fabricated by casein phosphopeptides and chitosan oligosaccharides: Preparation, characterization, and bioactive studies

Calcium delivery systems based on natural products such as proteins and polysaccharides, for improving calcium bioavailability, were of particular interest for food applications. Here, two novel delivery vehicles based on casein phosphopeptides (CPP) and chitosan oligosaccharides (COS) were prepared, characterized, and evaluated. These delivery vehicles were prepared via Amadori-type reactions and TGase-catalyzed reactions. Particle size and...