Minimum specification
- Mesh
- min 50 mesh; 40–100 mesh options
- Colour
- Natural brown
- Moisture
- max 10 %
- Foreign matter
- max 0.5 %
- Total ash, dry basis
- max 5 %
- Acid-insoluble ash, dry basis
- max 0.5 %
- Volatile oil, dry basis
- min 7 ml / 100 g
- Sulfur dioxide (SO₂)
- max 30 mg/kg