| Element | Whole cowpea flour (WCF) | Dehulled cowpea flour (DCF) |
| Macro element: |
|
|
| Potassium (K) | 29.25 ± 0.71 | 24.99 ± 0.08 |
| Sodium (Na) | 1.76 ± 0.08 | 1.0 ± 0.07 |
| Calcium (Ca) | 32.28 ± 0.68 | 33.61 ± 0.79 |
| Micro element: |
|
|
| Zinc (Zn) | 0.260 ± 0.036 | 1.22 ± 1.545 |
| Iron (Fe) | 0.004 ± 0.001 | 0.013 ± 0.019 |
| Copper (Cu) | 0.04 ± 0.006 | 0.25 ± 0.012 |
| Manganese (Mn) | 0.18 ± 0.010 | 0.30 ± 0.006 |