| Certification: | ISO, Kosher, Halal, Organic, Fssc |
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| Assay Method: | HPLC |
| Application Form: | Lotion, Tablet, Capsule |
| Application: | Food, Health Care Products, Medicine |
| State: | Powder |
| Extract Source: | Rhizome |
| Samples: |
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| Customization: |
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Audited Supplier What is Polygonum cuspidatum extract?
Polygonum cuspidatum extract is a product derived from the root or rhizome of polygonum cuspidatum. The product is mainly composed of resveratrol and emodin. Resveratrol and emodin are the main functional components of Polygonum cuspidatum.
What is the function of resveratrol?
1. It has anti-tumor effect. Resveratrol, as a natural anti-tumor chemoprophylaxis agent, has good anti-cancer activity in the three stages of tumor occurrence, promotion and expansion. 2. It has a protective effect on the cardiovascular system, mainly through reducing myocardial ischemia, inhibiting atherosclerosis and thrombosis formation, anti-inflammatory, antioxidant, and vasodilation.
3. It has the effect of anti-oxidation and anti-free radicals. Resveratrol is a kind of natural antioxidant existing in plants. It can mainly remove and inhibit the generation of free radicals, inhibit lipid peroxidation and regulate antioxidant enzymes. Due to its antioxidant effect, it has certain benefits for beauty, anti-aging and life extension.
4. It has antibacterial effects. Resveratrol, as a natural plant antitoxin, has been known for a long time, so we can often use it as an anti-inflammatory, as a disinfecting agent, for the gastrointestinal tract, for the prevention of infection in other parts of our body.
5. It has anti-aging effects. Some studies suggest that resveratrol can prolong the life span of some animals.
6. It has estrogen-like effects, so for women with menopausal syndrome, it has some relief.
7. It has immunomodulatory effects and can improve immune function.
8. Resveratrol has the effect of promoting apoptosis, anti-proliferation and anti-inflammatory on cancer cells, and it can also inhibit the synthesis of lipoxygenase, prevent blood clots in blood vessels and prevent cardiovascular diseases.
| Item | Specification |
| General Information | |
| Products Name | Giant Knotweed Extract |
| Botanical Name | Polygonum Cuspidatum |
| Part Used | Rhizome |
| Physical Control | |
| Appearance | Yellow-brown to off white powder |
| Identification | Conform with standard |
| Odor&Taste | Characteristic |
| Loss on Drying | ≤5.0% |
| Ash | ≤5.0% |
| Particle Size | NLT 95% Pass 80 Mesh |
| Chemical Control | |
| Resveratrol | 50% 98% HPLC |
| Total Heavy Metals | ≤10.0ppm |
| Lead(Pb) | ≤3.0ppm |
| Arsenic(As) | ≤2.0ppm |
| Cadmium(Cd) | ≤1.0ppm |
| Mercury(Hg) | ≤0.1ppm |
| Solvent residue | <5000ppm |
| Pesticide residue | Meet USP/EP |
| PAHs | <50ppb |
| BAP | <10ppb |
| Aflatoxins | <10ppb |
| Microbial Control | |
| Total Plate Count | ≤1,000cfu/g |
| Yeast&Molds | ≤100cfu/g |
| E.Coli | Negative |
| Salmonella | Negative |
| Stapaureus | Negative |
| Packing and Storage | |
| Packing | Packing in paper-drums and double food-grade PE bag inside. 25Kg/Drum |
| Storage | Store in a well-closed container away from moisture and direct sunlight, room temperature. |
| Shelf Life | 2 years if sealed and stored properly. |
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