Product name:giant kontweed extract
Latin Name:Rhizoma Polygoni Cuspidati
Extraction Type:Solvent Extraction
Part used: root
Appearance:White Fine Powder
Place of Origin:Shaanxi, China (Mainland)
Grade:pharmaceutical grade&food grade
Brand Name:longlitian
Model Number: giant knotweed Extract -041
Active Ingredients: Resveratrol
Testing Method:HPLC
Cas No.: 501-36-0
Molecular Formula: C14H12O3
Molecular Weight: 228.24
Specification : Resveratrol 50% 80%
Standard: GMP,Kosher,HALAL,ISO9001,HACCP.
Mesh Size:100% through 80 mesh
Packing:25 kg/barrel , Drum,Plastic Container,Vacuum Packed
Shipment:by courier, by air or by sea
Introduction of medicinal materials
"Medicine scientific name" Rhizoma Polygoni Cuspidati.
But she did not keep the ears of the holed bucket of bamboo shoots, sour soup, chuan jin dragon,
spot, spot zhuang rod, yellow garden burnet root, da-yeh snake manager
This product is a base of the original
Polygonaceae knotweed Polygonaceae plants Polygonum cuspidatum Sieb. Et Zucc.,
dry rhizome and root.
Spring and autumn season two excavation of fuel storage remove hair root, wash, while fresh cut short
or thick slices, dry.Dry place, mouldproof, moth-proofing.
Specification and analysis
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Item |
Specification |
Method Result |
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Physical Property |
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Appearance |
Fine powder |
Organoleptic Conforms |
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Color |
white |
Organoleptic Conforms |
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Odour |
Characteristic |
Organoleptic Conforms |
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Mesh Size |
100% through 80% mesh size |
USP32<786> Conforms |
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General Analysis |
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Identification Loss on Drying |
Identical to R.S.sample ≤5.0% |
HPLC Eur.Ph.6.0[2.8.17] |
Conforms 3.11% |
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Ash |
≤5.0% |
Eur.Ph.6.0[2.4.16] 3.62% |
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Contaminants |
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Solvents Residue |
Meet Eur.Ph6.0<5.4> |
Eur.Ph 6.0<2.4.24> Conforms |
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Pesticides Residue |
Meet USP32<561> |
USP32<561> Conforms |
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Lead(Pb) |
≤3.0mg/kg |
Eur.Ph6.0<2.2.58>ICP-MS 2.32 |
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Arsenic(As) |
≤2.0mg/kg |
Eur.Ph6.0<2.2.58>ICP-MS 1.4 |
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Cadmium(Cd) |
≤1.0mg/kg |
Eur.Ph6.0<2.2.58>ICP-MS 0.8 |
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Mercury(Hg) |
≤0.1mg/kg |
Eur.Ph6.0<2.2.58>ICP-MS 0.06 |
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Microbiological |
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Total Plate Count |
≤1000cfu/g |
USP30<61> 120 |
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Yeast &Mold |
≤100cfu/g |
USP30<61> 50 |
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E.Coli. |
Negative |
USP30<62> Conforms |
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Salmonella |
Negative |
USP30<62> Conforms |
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Shelf Life |
24 months under the conditions below, no antioxidant used |
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