Table 3.
Emulsion activity index (EAI), emulsion stability index (ESI), foam expansion (FE), and foam stability (FS) of cuttlefish skin gelatin hydrolysates at various concentrations.
| Concentration % (g/100 mL) | EAI (m2/g) | ESI (min) | FE (%) | FS (%) | |
|---|---|---|---|---|---|
| CSG | 0.1 | 15.21 ± 0.2dC | 53.29 ± 0.8aA | 100.23 ± 0.9dC | 49.6 ± 1.2dC |
| 0.5 | 17.22 ± 0.2dB | 51.28 ± 0.1aB | 103.44 ± 0.5eB | 83.1 ± 10.0aB | |
| 1 | 23.67 ± 0.3aA | 49.14 ± 0.8aB | 113.7 ± 1.53dA | 105.3 ± 0.32aA | |
|
| |||||
| Alcalase-CSGH | 0.1 | 58.21 ± 1.2bA | 25.21 ± 0.9cA | 125.1 ± 5.1bB | 65.1 ± 5.5bB |
| 0.5 | 33.12 ± 0.8aB | 18.95 ± 0.75bcB | 125 ± 4.7cB | 68 ± 4.9cB | |
| 1 | 10.24 ± 0.2bC | 14.01 ± 0.7dC | 129.2 ± 3.1bA | 84 ± 4.8bA | |
|
| |||||
| NH1-CSGH | 0.1 | 48.01 ± 2.1cA | 18.14 ± 1.6dA | 126.4 ± 4.7bB | 60.3 ± 3.7cC |
| 0.5 | 13.21 ± 0.9eB | 17.01 ± 1.1cB | 128 ± 3.5bAB | 67 ± 4.2cB | |
| 1 | 5.47 ± 0.2cC | 19.51 ± 0.9bA | 130 ± 4.0bA | 74 ± 5.9cA | |
|
| |||||
| A21-CSGH | 0.1 | 68.24 ± 1.2aA | 16.36 ± 2.3eA | 120 ± 2.6cB | 69.7 ± 1.4aC |
| 0.5 | 22.25 ± 1.7cB | 14.7 ± 1.9dB | 122 ± 3.1dAB | 74.4 ± 1.9bB | |
| 1 | 6.26 ± 0.33cC | 13.9 ± 2.0dB | 125 ± 2.5cA | 88.1 ± 2.7bA | |
|
| |||||
| A26-CSGH | 0.1 | 50.76 ± 4.0cA | 33.21 ± 1.7bA | 131 ± 2.3aB | 47.6 ± 0.9eC |
| 0.5 | 31.69 ± 2.4aB | 19.46 ± 1.9bB | 133 ± 3.1aAB | 51 ± 1.5dB | |
| 1 | 9.87 ± 0.7bC | 15.94 ± 0.4cC | 134.8 ± 4.2aA | 59 ± 2.3dA | |
Values are given as mean ± SD from triplicate determinations.
Different letters in the same column within the same concentration indicate significant differences (P < 0.05).
Different capital letters in the same column within the same hydrolysate sample indicate significant differences (P < 0.05).