
| Parameter | Specification |
| Appearance | Fine, free-flowing powder |
| Color | Bright yellow to deep orange (slightly darker if roasted) |
| Odor | Characteristic earthy, mildly pungent turmeric aroma |
| Taste | Bitter, slightly pungent, warm |
| Texture | Smooth, dry, and powdery |
| Moisture Content | ≤ 10% |
| Bulk Density | 500 – 700 kg/m³ |
| Particle Size | 100 – 300 microns (depending on grind) |
| pH Level | 6.0 – 7.5 |
| Curcumin Content | 2% – 5% (varies by variety and processing) |
| Volatile Oil Content | 2.5% – 7% (depending on processing and origin) |
| Ash Content | ≤ 9% (total ash); ≤ 1.5% (acid-insoluble ash) |
| Shelf Life | 12 – 18 months (stored in cool, dry, airtight conditions) |
| Flowability | Good; may require anti-caking agents for commercial use |