Latin Name: Silybum marianum.L

Active Ingredient: Flavone

Test Method: UV or HPLC

Appearance: Yellow powder，Slightly special flavor.

Specification: 80%&30%silybin, isosilybin, 80%&30%silybin

Solubility: Partly soluble in ethanol

Sieve analysis: 100mesh

Loss on Drying: ≤5%

Residue on Ignition: ≤5%

Extraction Solvent: Ethanol &Water

Total Plate Count: <1000cfu/g

Yeast and Mold: <25cfu/g

E. Coil: Negative

Staphylococcus aureus: Negative

Storage: Store in cool and dry place; Away from strong sunlight, heat and moisture.

Package: 10kg/carton or 25kg/drum, 2.5kg/bag, vacuum packing.

Heavy Metal Test Method (International standard)

Pb≤1.0mg/kg GB 5009.12-2010

As≤0.5mg/kg GB/T 5009.11-2003

Hg≤0.01mg/kg GB/T 5009.17-2003

Cr≤0.5mg/kg GB/T 5009.123-2003

Cd≤0.2mg/kg GB/T 5009.15-2003

Total Heavy Metal＜10ppm