| Certification: | ISO, HACCP, Halal, Kosher |
|---|---|
| Assay Method: | HPLC, UV |
| Application Form: | Tablet, Capsule |
| Application: | Food, Health Care Products, Medicine |
| State: | Powder |
| Extract Source: | Polygonum Cuspidatum Extract |
| Samples: |
|---|
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier 
Product Name: Polygonum cuspidatum Extract
Plant Part Used: Root
Active ingredient: Resveratrol HPLC
Specification: 50% 98%/99%,10% water soluble
Appearance: White powder
CAS No.: 501-36-0
Molecular Formula: C14H112O3
Molecular Weight:228.24
Odor: Characteristic
Particle size: 95% pass 80 mesh
Package: 25kg/drum or 1kg/foil bag etc.
Storage: Store in cool and dry places, keep away from strong light. Shelf life 2 years when properly stored.
1. Resveratrol protects the heart and circulatory system, lowering cholesterol, and protecting against clots which can cause heart attacks and stroke.
2. Resveratrol protects a cell's DNA. It is a powerful antioxidant. Antioxidants can help prevent cell damage caused by free radicals. Free radicals are unstable atoms caused by pollution, sunlight and our bodies natural burning of fat that can lead to cancer, aging and brain degeneration.
3. Lowering cholesterin and the blood viscosity, reducing the risk of arteriosclerosis, cardio-cerebrovascular disease and heart disease.
4. Anti-virus and accommodate immunity, inhibit Staphylococcus aureus, Micrococcus catarrhalis, Bacillus coli, aeruginosus Bacillus, have better inhibit action with Orphan virus, Fever blisters virus, enteric virus and Kesaqi virus.
| Analysis Item | Specification | Result |
| Resveratrol 99% | ≥98% | 98.45% |
| Appearance | White powder | Conforms |
| Particle size | 95% pass 80 mesh | Conforms |
| Loss on drying | ≤3.0% | 0.95% |
| Ash Content | ≤1.0 | 0.40% |
| Heavy metal | ≤10ppm | Conforms |
| Arsenic | <1ppm<> | Conforms |
| Lead | <<>5ppm | Conforms |
| Mercury | <0.1ppm<> | Conforms |
| Cadmium | <0.1ppm<> | Conforms |
| Pesticides | Negative | Conforms |
| Solvent residences | ≤0.01% | Conforms |
| Total Plate Count | ≤1000cfu/g | Conforms |
| Yeast & Mold | ≤100cfu/g | Conforms |
| E.coli | Negative | Conforms |
| Salmonella | Negative | Conforms |
| Q1: Can i get some samples? |
| A: Yes, we can supply the free sample, but the shipping cost be paid by our customers. |
| Q2: How to start orders or make payments? |
| A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union |
| or Paypal or Escrow(Alibaba). |
| Q3: How to confirm the Product Quality before placing orders? |
| A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the |
| samples. You can send us your product specifications and requests,we will manufacture the products according to your requests. |
| Q4:What's your MOQ? |
| A:Our MOQ is 1kg or 10g(Different products have different MOQs). But usually we accept less quantity such as 10g on the condition that sample charge is 100% paid. |
| Q5: How about delivery leadtime? |
| A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included) |
| Q6:Is there a discount? |
| A:Different quantity has different discount. |
| Q7: How do you treat quality complaint? |
| A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, |
| we will send you free goods for replacement or refund your loss. |
| Q8: How to contact us ? |
| A:You can chat with us by Trademanager Online. You can choose your interested products and send inquiry to us. |
Suppliers with verified business licenses
Audited Supplier 
){kind=link}
){kind=link}