| Property | Specification |
| Color | White to off-white |
| Odor | Strong, pungent, characteristic |
| Taste | Spicy, sharp, slightly bitter |
| Moisture Content | 65% – 70% (fresh), 6% max (dried) |
| Volatile Oil Content | 0.1% – 0.3% |
| Ash Content | 1% – 2% max |
| Size | Bulbs: 3–6 cm diameter |
| Foreign Matter | 0.5% max |
| Purity | 95% – 98% |
| Storage | Cool, dry, well-ventilated place |