Glycated whey protein isolate (gWPI) was produced by dry thermal reaction between whey protein isolate (WPI) and lactose, and its influence on the gelatinization, gel properties, and microstructure changes of wheat starch (WS) was systematically studied. Results showed that gWPI significantly inhibited starch gelatinization and improved starch gel properties. RVA and DSC analysis showed that gWPI decreased viscosity and gelatinization enthalpy (ΔH) in a concentration-dependent manner.
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