Parameter | Range/Specification |
---|---|
Appearance | Clean, fibrous, whole dried roots |
Color | Light brown or pale yellow |
Shape | Irregular, knobby fingers |
Length | 4 to 12 cm |
Diameter | 1 to 3 cm |
Texture | Hard, rough, and fibrous |
Moisture Content | 8% to 12% max |
Foreign Matter | 0.5% to 1% max |
Impurities | 1% max |
Damaged/Discolored | 2% max |
Flavor/Aroma | Strong, pungent, and aromatic |
Parameter | Specification |
---|---|
Volatile Oil Content | 1.5% to 2.5% |
Gingerol Content | 1% to 2.5% |
Moisture Content | 8% to 12% max |
Ash Content | 6% max |
Acid Insoluble Ash | 1.5% max |
Fiber Content | 4% to 6% max |
Grade | Description |
---|---|
Grade A (Premium) | Large size, uniform light color, clean |
Grade B | Medium size, slight discoloration |
Grade C | Smaller pieces, irregular shapes |
Splits | Broken ginger pieces |