
| Property | Bitter Kola |
| Appearance | Oval, brown with a rough skin |
| Shape | Round to oval |
| Size | 2-4 cm in diameter |
| Texture | Hard, slightly fibrous |
| Color | Brownish exterior, white flesh |
| Odor | Bitter, earthy |
| Taste | Bitter, pungent |
| Moisture Content | Approximately 5-7% |
| Density | 0.7-0.9 g/cm³ |
| Storage | Cool, dry place |