| Property | Specification |
| Color | Black to Dark Brown |
| Shape | Round, slightly rough or angular |
| Size | 6 to 8 mm in diameter |
| Length | 7 to 9 mm |
| Moisture Content | Max. 12% |
| Test Weight | 72 to 78 kg/hl (kilograms per hectoliter) |
| Bulk Density | 0.75 to 0.85 g/cm³ |
| Foreign Matter | Max. 1% |
| Defective Seeds | Max. 2% |
| Imperfect Seeds | Max. 1% |
| Purity | Min. 98% |
| Odor | Free from off or rancid odor |
| Taste | Earthy, nutty, and slightly bitter |
| Shelf Life | Up to 12 months if stored in cool, dry conditions |
| Packaging | Typically in 25 kg or 50 kg sacks |
| Hygiene | Must comply with food safety and sanitary standards |