Giant Knotweed Extract
NLT 50.0% Resveratrol
CAS NO: 501-36-0
Fine Powder
Molecular Formula: C14H12O3
1. Sources and Habitat
Giant Knotweed Rhizome is the dry rhizome and root of Polygonum cuspidatum Sieb. et Zucc. Harvest at spring and autumn every year, and remove the fibrous root, make it clean, and then cut it into short pieces or junks, open-air drying.
2. Descriptions and Specifications of Product
Content Specifications: 50%, 98% Resveratrol by HPLC
Molecular Formula: C14H12O3
Molecular Mass: 228.24
CAS NO: 501-36-0
Constitutional Formula:
3.Indications and Uses
Studies suggest that resveratrol has anti-atherosclerotic activity and that it might have some immune-stimulating and anti-cancer effects. Human studies are few in number and inconclusive due to short duration and poor design.
Certificate of Analysis Giant Knotweed Extract 50% by HPLC
Product Name | Giant Knotweed P.E. | Botanical Source | Polygonum cuspidatum Sieb L. |
Solvent Used | Ethanol & Water | Part Used | Root |
Batch Number | 20110419 | Manufacture Date | 04.16.2011 |
Batch Quantity | 1000kgs/40drums | Analysis Date | 04.19.2011 |
| SPECIFICATION | RESULTS | TEST METHODS | |
| Assay | NLT50.0% Resveratrol | 51.04% | HPLC |
| Chemical Physical Control |
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Characters/Appearance | Fine Powder | Conforms | Visual |
Color | Brown | Conforms | Visual |
Odor | Characteristic | Conforms | Organoleptic |
Taste | Characteristic | Conforms | Organoleptic |
Mesh Size/Sieve Analysis | NLT100%Through 80 mesh | Conforms | 80 Mesh Screen |
Bulk Density | 40-60g/100ml | 52g/100ml | / |
Loss on drying | NMT5.0% | 2.80% | 5g/105°C/2hrs |
Arsenic (As) | NMT2ppm | Conforms | AFS |
Lead (Pb) | NMT2ppm | Conforms | AFS |
| Microbiology Control |
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Total Plate Count | NMT1,000cfu/g | Conforms | CP2005 |
Total Yeast & Mold | NMT100cfu/g | Conforms | CP2005 |
E.Coli. | Negative | Conforms | CP2005 |
| Packing & Storage | Packed in paper-drums and two plastic-bags inside.N.W.:25kgs. I.D.35cm×H51cm Store in a well-closed container Away from moisture. |
| Shelf Life | Two years if sealed and store away from direct sun light. |
