Polygonum Cuspidatum Extract
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Botanical Source: Polygonum cuspidatum; Reynoutria sachalinense
Part used: Root
CAS No.: 501-36-0
Specifications: Resveratrol 25%, 50%, 85%, 98% by HPLC;
Description:
The protophyte of Polygonum is regarded as rhizome and root of Polygonum cuspidatum Sieb. Et Zucc., perennial herbaceous, being one of the Chinese medicinal herbs most in use in ancient China. Resveratrol can lower levels of the amyloid-beta peptides that cause the plaques in the brain leading to Alzheimer's disease. Resveratrol may also be effective in fighting other human amyloid-related diseases such as Huntington's, Parkinson's and prion diseases.
Functions:
Anti-cancer; Anti-aging;
Anti-platelet aggregation; Anti-viral and anti-bacteria;
Prevent cardiovascular disease; Prevent bronchitis;
Anti-dementia; Anti-inflammatory; Reduce cholesterol.
| Analysis Items |
Specifications |
Results |
Methods used |
| Identification |
Positive |
Conforms |
TLC |
| Appearance |
Fine White Powder |
Conforms |
Visual test |
| Odor & Taste |
Characteristic, Light |
Conforms |
Organoleptic test |
| Bulk Density |
30-45 g/100ml |
Conforms |
Density Meter |
| Particle Size |
NLT 100% through 80 Mesh |
Conforms |
80 Mesh Screen |
| Solubility |
Clear faint yellow solution at 50mg/ml in acetone |
Conforms |
Visual |
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| Assay |
NLT 98% Trans-Resveratrol |
98.70% |
HPLC |
| NMT 0.3% Cis-Resveratrol |
0.05% |
| NMT 0.01% cis-Resveratrol-3-O-glucoside |
0.0030% |
| Trans-Resveratrol-3-O-glucoside |
0.03% |
| NMT 0.5% Emodin |
0.0010% |
| Loss on Drying |
NMT 1.0% |
0.36% |
5g /105ºC /2hrs |
| Ash Content |
NMT 1.0% |
0.06% |
2g /525ºC /3hrs |
| Extract Solvents |
Ethanol & Water |
Conforms |
/ |
| Solvent Residues |
NMT 0.05% |
Conforms |
USP-GC |
| Excipients |
None |
Conforms |
/ |
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| Heavy Metals |
NMT 5ppm |
Conforms |
Atomic Absorption |
| Arsenic (As) |
NMT 0.5ppm |
0.01ppm |
Atomic Absorption |
| Lead (Pb) |
NMT 0.5ppm |
0.16ppm |
Atomic Absorption |
| Cadmium (Cd) |
NMT 0.05ppm |
0.01ppm |
Atomic Absorption |
| Mercury(Hg) |
NMT 0.05ppm |
0.02ppm |
Atomic Absorption |
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| 666 |
NMT 0.1ppm |
Conforms |
USP-GC |
| DDT |
NMT 0.5ppm |
Conforms |
USP-GC |
| Acephate |
NMT 0.2ppm |
Conforms |
USP-GC |
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NMT 0.2ppm |
Conforms |
USP-GC |
| Parathion-ethyl |
NMT 0.2ppm |
Conforms |
USP-GC |
| PCNB |
NMT 0.1ppm |
Conforms |
USP-GC |
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NMT 0.2ppb |
Absent |
USP-HPLC |
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| Microbiological Data |
Total Plate Count <1000cfu/g |
< 200 cfu/g |
GB 4789.2 |
| Total Yeast & Mold < 100cfu/g |
< 40 cfu/g |
GB 4789.15 |
| E. Coli to be absent |
Absent |
GB 4789.3 |
| Staphylococcus to be absent |
Absent |
GB 4789.10 |
| Salmonella to be absent |
Absent |
GB 4789.4 |
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| Packing and Storage |
Packed in fiber drum, LDPE bag inside. Net weight: 20kgs/drum. |
| Keep tightly sealed, store away from moisture, strong heat and sunlight. |
| Shelf Life |
2 years if sealed and stored in the recommended conditions. |
Characteristic:
- We can also customize orders as customer's requirements and specifications.
- KINGHERBS' is specialized in manufacturing and exporting different kinds of food industry related goods, such as Inulin (90% or 98%), Myricetin, Sea Buckthorn Oil, Green Coffee Bean Extract Total Chlorogenic Acids, Fenugreek Seed Extract Furostanol Saponins 50% etc.
- With the effective exporting system and prompt reaction, we ensure that we can transfer the shipping documents and deliver our cargos on time.
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