| Appearance | Thin, curled bark (quills), light to dark brown in color |
| Color | Light brown to dark brown |
| Odor | Strong, sweet, and aromatic |
| Taste | Sweet, warm, slightly spicy |
| Texture | Smooth, firm, and brittle (when broken) |
| Moisture Content | Not more than 10% |
| Foreign Matter | Not more than 1% |
| Bark Quality | Uniform thickness, free from cracks, broken pieces, or contamination |
| Bulk Density | 0.40 – 0.55 g/cm³ |
| Essential Oil Content | 2-5% (for Cinnamomum verum) |
| Adulteration | Free from artificial color, preservatives, and adulterants |
| Insect Infestation | Free from live/dead insects, larvae, or rodent contamination |