| Property | Specification |
| Appearance | Whole, dried leaves |
| Color | Dark green on the upper side, pale green on the underside |
| Odor | Strong, aromatic, slightly herbal |
| Taste | Pungent, slightly bitter, herbal |
| Leaf Size | 4 – 6 cm in length |
| Moisture Content | ≤ 12% |
| Ash Content | ≤ 8% |
| Foreign Matter | ≤ 1% |
| Essential Oil Content | 2% – 3% |
| Volatile Oil | Present, with high levels of eugenol |
| Microbiological Limit | Total Plate Count ≤ 10,000 cfu/g |
| Lead | ≤ 0.1 mg/kg |
| Arsenic | ≤ 1.0 mg/kg |