| Property |
Specification |
| Appearance |
Fine leaves or small particles |
| Color |
Green, brown, or black (depending on type) |
| Shape |
Thin, long leaves or small broken particles |
| Texture |
Smooth to slightly coarse |
| Odor |
Characteristic, aromatic |
| Taste |
Varies (bitter, astringent, or mild depending on type) |
| Moisture Content |
3% - 5% |
| Density |
0.2 - 0.6 g/cm³ |
| Solubility |
Partially soluble in hot water |
| Ash Content |
3% - 7% |
| Caffeine Content |
20 - 90 mg per cup (depending on type) |
| pH |
5.0 - 6.5 (slightly acidic) |
| Storage Conditions |
Dry, cool place away from light and humidity |
