Product Name:3,4-divanillyltetrahydrofuran (Nettle root extract )
Cas No.:34730-78-4
Molecular Formula:C20H24O5
Assay:95%min.(HPLC)
Appearance:  Brown fine powder
Sieve analysis: 100mesh Min.
Loss on drying:  5% max.
Residue on ignition: 1.4% max.
Heavy metal
Heavy metal: <10ppm
Pb: 3ppm Max.
Hg: 1ppm Max.
As: 1ppm Max.
Cd: 1ppm Max
Microbiology Control
Total Plate Count (TPC) : <1000cfu/g
Yeast: <100cfu/g
E. Coil: Negative
Salmonella: Negative

Packing: 1kg or 2.5kg Aluminum foil bag
Storage:   Kept in cool and dry place; away from light
Shelf life:  3 year under proper storage