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Latin Name: Trollius chinensis Bunge
Active Ingredient: flavone
Test Method: UV or TLC
Appearance: Brown powder,Slightly special flavor.
Specification: 5%, 4:1, 10:1, 20:1, etc.
Sieve analysis: 100mesh
Residue on Ignition: =5%
Extraction Solvent: Ethanol &Water
Total Plate Count: <1000cfu/g GB 4789.2-2010
Yeast and Mold: <25cfu/g GB 4789.15-2010
E. Coil: Negative GB 4789.38-2012
Staphylococcus aureus: Negative GB 4789.10-2010
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