Curcumin content: Typically between 2% to 5% (may vary based on the type).
Moisture content: Usually less than 8%.
Ash content: Generally around 5% or lower.
Color: Bright yellow to golden yellow.
Texture: Fine powder with a uniform consistency.
Taste: Earthy, warm, and slightly bitter.
Aroma: Strong, characteristic aroma with a hint of citrus.
Mesh size: Commonly between 40 to 100 mesh.
Must comply with safety standards set by local regulatory bodies.