| Type of product | Tanninsa % | Phytic acida % | Trypsin inhibitor activityb (TIU/g) | Crude protein % |
| Dehlled cowpea flour (DCF) | 0.004a | 0.80b | - | - |
| Dehulled defatted cowpea flour (DDCF) | 0.003b | 1.17a | 16640a | 26.7 |
| Cowpea protein isolate-A (CPIA) | 0.00 | 0.00 | 4293b | 75 |
| Cowpea protein isolate-B (CPIB) | 0.00 | 0.00 | 4290b | 76 |
| SEM± | 0.00018 | 0.0002 | 0.1323 | - |