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 |