| Property | Specification |
| Appearance | Small, black, slender, and crescent-shaped seeds |
| Odor | Strong, aromatic, slightly bitter and earthy |
| Taste | Pungent, slightly bitter, spicy |
| Particle Size | 80-100 mesh (depending on the product) |
| Moisture Content | 8-10% (maximum) |
| Bulk Density | 0.3 - 0.5 g/cm³ |
| Ash Content | 4-6% (maximum) |
| Volatile Oil Content | 2-4% (minimum) |
| pH | 6.0 - 7.5 |
| Foreign Matter | Nil or not more than 1% |
| Microbial Count | Total Plate Count < 10,000 CFU/g |
| Heavy Metals | As per local regulations (commonly ≤ 2 ppm for lead) |
| Total Fiber Content | 25-30% (approx.) |
| Purity | ≥ 98% pure (typically) |