Appearance | Bright yellow to orange, irregular-shaped rhizomes |
Size | 5-10 cm in length, 2-4 cm in diameter |
Shape | Irregular, cylindrical, slightly curved or rounded |
Color | Golden yellow or orange with a rough brown skin |
Texture | Hard, rough outer surface, smooth inner texture |
Moisture Content | 10% maximum |
Odor | Strong characteristic odor |
Taste | Pungent, slightly bitter, with earthy undertones |
Density | 0.70-0.90 g/cm³ |
Foreign Matter | 1% maximum |
Impurity | 2% maximum |
Ash Content | 7-9% (dry weight) |
Total Curcumin Content | 3-5% minimum (based on dry weight) |