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Latin Name: Larix Gmelini
Active Ingredient: OPC or polyphenol, VB2
Test Method: UV or TLC
Appearance: brown powder
Specification: 70%,95%,98%OPCs ,4:1, 95%polyphenol;VB12 25%
Sieve Analysis: 100mesh
Residue on Ignition:=5%
Extraction Solvent: Ethanol
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