| Total Plate Count | NMT 1000cfu/g | USP <2021> | Qualified |
| Total Yeast & Mold | NMT 100cfu/g | USP <2021> | Qualified |
| E.Coli | Negative | USP <2021> | Negative |
| Salmonella | Negative | USP <2021> | Negative |
| Packing&Storage | Packed in paper-drums and two plastic-bags inside. | ||
| N.W: 25kgs | |||
| Store in a well-closed container away from moisture, light, oxygen. | |||
| Shelf life | 24 months under the conditions above and in its original packaging. | ||
| Product name | Giant knotweed extract | Botanical Source | Polygonum cuspidatum. |
| Solvents Residue | Water&Ethanol | Part Used | Root&Stam |
| ITEMS | SPECIFICATION | METHOD | TEST RESULT |
- We hereby declare that, to the best of our knowledge, this product does not contain and was not manufactured with any of the following substances:
- Parabens
- Phthalates
- Volatile Organic Compounds (VOC)
- Solvents and Residual Solvents
We hereby declare that, to the best of our knowledge, this product is gluten-free and was not manufactured with any ingredients containing gluten.
Giant Knotweed Extract polydatin is the glycoside of resveratrol isolated from the Chinese herb Polygonum cuspidatum.Polydatin is an effective candidate drug for the protection of photo-inflammation. Polydatin exhibitstherapeutic potential for vascular dementia, most likely due to its anti-oxidant activity and the directprotection of neurons.Polygonum is one of the plants of polygonaceae. It is native to east Asia and widely distributed in China. Knotweed is used in traditional Chinese and Japanese medicine to treat a variety of ailments, including fungal infections, skin inflammation, cardiovascular disease and liver disease.
Resveratrol and emodin are the main functional components of polygonum cuspidatum. Studies have shown that resveratrol and emodin exhibit a wide range of antioxidant properties, such as LDL cholesterol oxidation and lipid peroxidation. Resveratrol has also been shown to contribute to cardiovascular health and blood circulation, relieve pain, clear away heat, damp, poison and phlegm. Other ingredients including dananone, emodin methyl ether and rhein have anti-inflammatory, arthritic and antimicrobial activities.
Product Name: Giant knotweed extract Latin Name: Polygonum Cuspidatum Category: Plant Extracts Effective components: Resveratrol Product specification: 50%, 98% Analysis: HPLC Quality Control : In House Formulate: C14H12O3 Molecular weight: 228.25 CAS No: 501-36-0 Appearance: Off-white fine powder/off-white granule with characteristic odor. Identification: Passes all criteria tests Storage: keep in cool and dry place, well-closed, away from moisture or direct sunlight. Volume Savings: Sufficient material supply and stable supply channel of raw material in north China.We hereby confirm that, to the best of our knowledge, this product is free of BSE/TSE.
We hereby declare that, to the best of our knowledge, this product has not been tested on animals.
We hereby confirm that this product has been certified to Kosher standards.
We hereby confirm that this product has been certified to Vegan standards.
| Component | Present in the product |
| Peanuts (and/or derivatives,) e.g., protein oil | No |
| Tree Nuts (and/or derivatives) | No |
| Seeds (Mustard, Sesame) (and/or derivatives) | No |
| Wheat, Barley, Rye, Oats, Spelt, Kamut or their hybrids | No |
| Gluten | No |
| Soybeans (and/or derivatives) | No |
| Dairy (including lactose) or Eggs | No |
| Fish or their products | No |
| Shellfish or their products | No |
| Celery (and/or derivatives) | No |
| Lupin (and/or derivatives) | No |
| Sulphites (and derivatives) (added or > 10 ppm) | No |
| Color | Off-White | Organoleptic | Qualified |
| Ordour | Characteristic | Organoleptic | Qualified |
| Appearance | Fine Powder | Organoleptic | Qualified |
| Identification | Identical to R.S. sample | HPTLC | Identical |
| Assay(L-5-HTP) | ≥98.0% | HPLC | 98.63% |
| Loss on Drying | 5.0% Max. | Eur.Ph.7.0 [2.5.12] | 3.21% |
| Total Ash | 5.0% Max. | Eur.Ph.7.0 [2.4.16] | 3.62% |
| Sieve | 100% pass 80 mesh | USP36<786> | Conform |
| Loose Density | 20~60 g/100ml | Eur.Ph.7.0 [2.9.34] | 53.38 g/100ml |
| Tap Density | 30~80 g/100ml | Eur.Ph.7.0 [2.9.34] | 72.38 g/100ml |
| Solvents Residue | Meet Eur.Ph.7.0 <5.4> | Eur.Ph.7.0 <2.4.24> | Qualified |
| Pesticides Residue | Meet USP Requirements | USP36 <561> | Qualified |
| Total Heavy Metals | 10ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | 1.388g/kg |
| Lead (Pb) | 3.0ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | 0.062g/kg |
| Arsenic (As) | 2.0ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | 0.005g/kg |
| Cadmium(Cd) | 1.0ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | 0.005g/kg |
| Mercury (Hg) | 0.5ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | 0.025g/kg |
We hereby declare that, to the best of our knowledge, this product was not produced from or with GMO plant material.