| Property | Specification |
| Appearance | Yellow-brown to orange, cylindrical shape |
| Size | 2-5 cm in length |
| Texture | Smooth, slightly rough surface |
| Odor | Mild, characteristic mushroom-like odor |
| Taste | Slightly bitter, earthy |
| Moisture Content | 5-8% (depending on drying method) |
| Ash Content | 4-8% |
| Total Polysaccharide | 30-50% (by weight, depending on strain) |
| Heavy Metals | Must comply with regulatory limits (e.g., lead < 1 ppm) |
| Microbial Limit | Total plate count ≤ 1000 CFU/g; yeast/mold ≤ 100 CFU/g |
| Solubility | Soluble in water and alcohol |
| Color of Extract | Dark brown to red-brown (when extracted) |