Table 2. Proximate composition of semi-dried restructured jerky prepared with duck skin gelatin and carrageenan
Traits | G0 (Control) | G0C | G0.5 | G0.5C | G1 | G1C |
Moisture content (%) | 40.99 ± 0.12e | 41.32 ± 0.16d | 42.46 ± 0.13c | 43.54 ± 0.15a | 43.09 ± 0.02b | 43.63 ± 0.08a |
Protein content (%) | 40.60 ± 0.02a | 39.96 ± 0.35ab | 39.90 ± 0.23ab | 39.20 ± 0.27b | 38.16 ± 1.09c | 38.28 ± 0.10c |
Fat content (%) | 9.11 ± 0.07e | 8.95 ± 0.14e | 10.41 ± 0.08c | 9.75 ± 0.11d | 10.95 ± 0.15a | 10.66 ± 0.13b |
Ash content (%) | 3.03 ± 0.07d | 3.13 ± 0.12cd | 3.11 ± 0.12cd | 3.19 ± 0.01bc | 3.00 ± 0.22b | 3.03 ± 0.20a |
Water activity | 0.911 ± 0.001ab | 0.910 ± 0.003bc | 0.908 ± 0.003c | 0.910 ± 0.001bc | 0.914 ± 0.002a | 0.913 ± 0.001a |
All values are mean ± standard deviation of three replicates.
Means within a row with different letters are significantly different.
G0, no added both duck skin gelatin and carrageenan; G0C, 0.3% carrageenan; G0.5, 0.5% duck skin gelatin; G0.5C, 0.5% duck skin gelatin and 0.3% carrageenan; G1, 1.0% duck skin gelatin; G1C, 1.0% duck skin gelatin and 0.3% carrageenan.