| Property | Specification |
| Color | Yellow-brown to brown |
| Odor | Strong, aromatic, warm |
| Taste | Pungent, slightly bitter |
| Moisture Content | 10% max |
| Volatile Oil Content | 2% – 4% |
| Ash Content | 6% max |
| Bulk Density | 0.5 – 0.6 g/cm³ |
| Particle Size | 80 mesh (min.) |
| Foreign Matter | 1% max |
| Purity | 95% – 98% |
| Storage | Cool, dry, airtight place |