| Appearance | Brownish-yellow to reddish-brown bark or quills |
| Texture | Rough, woody bark; smooth on inner surface |
| Odor | Strong, sweet, and spicy aroma |
| Taste | Sweet, warm, and aromatic flavor |
| Shape | Quills (rolled thin strips) or broken pieces |
| Thickness | Usually 0.5 to 2 mm for quills |
| Density | Approximately 0.56 g/cm³ |
| Moisture Content | Not more than 12% (depending on processing) |
| Volatile Oil Content | Minimum 1-3% (varies by type) |
| Color of Powder | Light brown to tan |
