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| Appearance | Fine powder |
| Color | Green to dark green |
| Odor | Characteristic strong, bitter herbal smell |
| Taste | Very bitter |
| Particle Size | 80–100 mesh |
| Moisture Content | ≤ 7% |
| Bulk Density | 0.4 – 0.6 g/cm³ |
| Foreign Matter | Absent |
| Ash Content | ≤ 8% |
| pH (1% Solution) | 5.5 – 7.0 |
| Solubility | Partially soluble in water |
| Storage Conditions | Cool, dry place away from sunlight and moisture |
| Shelf Life | 12 – 24 months (if stored properly) |
| Packaging | Food-grade, airtight, moisture-resistant packaging |