Table 4.
Solubility of LPI and LPI hydrolysates at pH range of pH 4.0 and pH 9.0
| Hydrolysis ID | Protein solubility (%) | |||||
|---|---|---|---|---|---|---|
| pH 4 | pH 5 | pH 6 | pH 7 | pH 8 | pH 9 | |
| LPI | 9.7 ± 0.7a | 7.0 ± 0.0a | 43.3 ± 0.1a | 70.7 ± 1.0a | 79.5 ± 1.0a,b,c | 80.7 ± 0.7a,b,c |
| OS 1 | 76.0 ± 0.8d,e | 77.4 ± 1.5c | 79.5 ± 1.4c | 80.9 ± 1.6c,d | 82.8 ± 0.4b,c,d | 83.8 ± 0.6b,c,d |
| OS 2 | 61.5 ± 0.5c | 82.2 ± 0.3c | 83.1 ± 1.4c,d | 84.8 ± 1.5c,d,e | 83.6 ± 0.1b,c,d | 84.8 ± 4.0b,c,d |
| OS 3 | 80.1 ± 3.1e,f | 82.3 ± 5.3c | 84.1 ± 5.4d | 86.9 ± 4.5d,e | 86.9 ± 5.6c,d | 88.4 ± 5.2c,d |
| OS 4 | 81.4 ± 2.0e,f | 84.5 ± 2.0c | 87.2 ± 2.1d | 87.6 ± 3.3e | 89.2 ± 3.4d | 90.1 ± 3.4d |
| OS 5 | 78.1 ± 1.4d,e,f | 79.3 ± 1.0c | 80.3 ± 1.1c | 82.8 ± 1.4c,de | 83.6 ± 1.4b,c,d | 84.9 ± 2.4b,c,d |
| OS 6 | 50.2 ± 0.4b | 56.0 ± 0.7b | 65.8 ± 0.7b | 71.5 ± 1.3a | 73.4 ± 1.5a | 76.2 ± 2.2a |
| OS 7 | 61.5 ± 0.5c | 82.2 ± 0.3c | 83.1 ± 1.4c,d | 84.8 ± 1.5c,d,e | 83.6 ± 0.1b,c,d | 84.8 ± 4.0b,c,d |
| OS 8 | 79.1 ± 2.2d,e,f | 76.6 ± 6.3c | 82.4 ± 3.2c,d | 84.3 ± 2.0c,d,e | 88.1 ± 1.2c,d | 89.7 ± 0.9d |
| TS 1 | 73.2 ± 6.9d | 81.5 ± 6.6c | 78.5 ± 4.8c | 79.9 ± 4.9b,c | 78.2 ± 6.6a,b | 75.4 ± 1.7a |
| TS 2 | 78.6 ± 1.4d,e,f | 82.8 ± 1.7c | 86.4 ± 1.0d | 87.8 ± 0.9e | 86.3 ± 1.0c,d | 87.9 ± 1.1c,d |
| TS 3 | 83.6 ± 2.5f | 84.2 ± 2.1c | 85.9 ± 1.6d | 87.1 ± 2.4d,e | 89.0 ± 2.5d | 89.6 ± 2.2d |
| TS 4 | 54.3 ± 0.8b,c | 59.9 ± 0.6b | 69.7 ± 2.1b | 73.4 ± 1.7a,b | 77.1 ± 1.4a,b | 79.7 ± 3.0a,b |
The data are expressed as mean ± standard deviation (n = 4). Values followed by different letters in a column indicate significant differences between groups (p < .05).