Table 3 Nitrogen fraction and protein solubility of the experimental protein sources
Item | Protein sources | |||
|---|---|---|---|---|
SBM | BCSM | CSM | SSM | |
Nitrogen fraction | ||||
Total protein | 44.50 | 30.06 | 26.24 | 30.69 |
True protein (g) | 39.44 | 25.37 | 23.12 | 23.13 |
True protein, % of total protein | 88.63 | 84.40 | 88.11 | 75.37 |
Non-protein nitrogen (NPN) (g) | 5.06 | 4.69 | 3.12 | 7.56 |
NPN, % of total protein | 11.37 | 15.60 | 11.90 | 24.63 |
Protein solubility | ||||
Insoluble protein (g) | 41.88 | 15.75 | 22.81 | 24.25 |
Insoluble protein,% of total protein | 94.11 | 52.40 | 86.93 | 79.02 |
Soluble protein (g) | 2.62 | 14.31 | 3.43 | 6.44 |
Soluble protein, % of total protein | 5.89 | 47.60 | 13.07 | 20.98 |