Our specification is as follows:

Usage: Bacteriostatic activity, immune stimulator
Appearance: Yellow fine powder
Odor: Characteristic
Particle size: 100% pass 80 mesh
Loss on Drying: 5.0% MAX
Residue on Ignition: 5.0% MAX
Extract Solvent: 100% water
Heavy metals: 20ppm MAX
As: 2ppm MAX
Residual Solvents: Eur. Pharm 2000
Total plate count: 1000cfu/g MAX
Yeast & Mould: 100cfu/g MAX
E.Coli: Negative
Salmonella: Negative
Storage: Store in cool & dry place, Do not freeze. Keep away from strong light . 
Shelf life: 2 years when properly store.