Impact of fat content on the modulation of viscosity, microstructure and enzymatic hydrolysis of UHT milk during simulated gastrointestinal digestion
Shahid Iqbal,
Ping Zhang,
Peng Wu
et al.
Abstract:Digestion of ultra‐high temperature milk with different levels of fat content was examined in vitro under semi‐dynamic conditions with real‐time measurements of viscosity. All milk viscosity increased during the gastric phase despite digestive fluid dilution due to protein aggregation. Higher fat formulations presented greater viscosity and denser microstructure with larger mean droplet size. It experienced faster proteolysis and lipolysis throughout digestion with 524 μmol free fatty acids released compared w… Show more
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