The Puerarin mainly from the roots of legume Pueraria lobata (Wild. ) Ohwi.

English name: puerarin

molecular formula: C₂₁H₂₀O₉

molecular weight:416.4

CAS No.: 3681-99-0

structural formula:

Appearance: White columnar crystal

puerarin: ≥99.5%

melting point: l87℃-l88℃

Ignition residue: ≤1%

Loss on drying: ≤1.0%

Heavy metal: <5ppm

Pathogen: <300CPU, Salmonella or Escherichia coli should not be detected.

Mold: <100CPU

Packaging: 0.5kg/bags  1kg/bags