| Parameter | Specification |
| Appearance | Knobby, irregular-shaped rhizome |
| Texture | Fibrous and firm (fresh), hard and brittle (dried) |
| Odor | Strong, aromatic, pungent |
| Color (Fresh) | Light brown skin, yellowish-white interior |
| Color (Dried) | Light to dark brown |
| Size | Varies; 3–15 cm segments commonly traded |
| Shape | Irregular, branched rhizome |
| Moisture Content | Fresh: 80–85%, Dried: ≤ 12% |
| Volatile Oil Content | ≥ 1.5% (by weight, in dried ginger) |
| Density (Bulk) | 0.5–0.7 g/cm³ (dried) |
| Ash Content (Total) | ≤ 8% |
| Acid Insoluble Ash | ≤ 2% |
| Foreign Matter | ≤ 2% |