Impact of Hydrolyzed Whey Protein on the Molecular Interactions and Cross-Linking Density in Whey Protein Isolate-Based Films

Table 2

Volume fraction of water () in the WPI-based films at different water activities and the resulting .

	of	of	of	of	of	of
	BioZate	BioZate	BioZate	BioZate	BioZate	BioZate
	10_0	9_1	8_2	7_3	6_4	5_5
0.0	0.000	0.000	0.000	0.000	0.000	0.000
0.1	0.017	0.020	0.015	0.014	0.016	0.012
0.2	0.042	0.046	0.040	0.038	0.041	0.035
0.3	0.073	0.078	0.073	0.070	0.074	0.069
0.4	0.109	0.114	0.109	0.108	0.112	0.108
0.5	0.153	0.160	0.155	0.155	0.160	0.157
0.6	0.208	0.216	0.213	0.213	0.218	0.215
0.7	0.281	0.292	0.289	0.290	0.296	0.293
0.8	0.394	0.403	0.400	0.408	0.416	0.414
0.9	0.521	0.533	0.527	0.535	0.538	0.547
Determined χ	0.482	0.442	0.468	0.468	0.441	0.460
RSE9	0.031	0.027	0.035	0.039	0.036	0.044