Appearance

White to off white granular or powder, no agglomeration

Assay(HPLC)

≥92%

Loss on drying(105°C, 2h)

≤8%

Molecular wt(Da)

10,000-2,000,000

pH(10g/L, water solution, 25°C)

5.0-7.5

Transmittance(5g/L, water solution, 400nm)

≥95%

Heavy metals(Pb, mg/kg)

≤10

Total plate count(CFU/g)

≤100