Appearance:  Brown fine powder

Sieve analysis: 100mesh Min.

Loss on drying:  5% max.

Residue on ignition: 1% max.

Extract Solvent: Ethanol

Residue solvent: 0.5% max.

Heavy metal

Pb: 3ppm Max.

As: 1ppm Max.

Cu: 1ppm Max

Microbiology Control

Total Plate Count (TPC) : <1000cfu/g

Yeast and mold: <100cfu/g

Bile-tolerant: Negative

E. Coil: Negative

Salmonella: Negative

Staphylococcus aureus: Negative

Packing: 1kg or 2.5kg Aluminum foil bag

Storage:   Kept in cool and dry place; away from light

Shelf life:  3 year under proper storage