Description
Product Description:Product Name:Giant knotweed extract resveratrol/polygonum cuspidatum extract resveratrol/giant knotweedPlant Source: root
Specification: Resveratrol 40%-98%
Latin name:Polygonum cuspidatum
Appearance: Brown powder
Test Method: HPLC/UV/TLC
Description:Resveratrol is a naturally occurring phytoalexin produced by some higher plants in response to injury or fungal infection. Phytoalexins are chemical substances produced by plants as a defense against infection by pathogenic microorganisms, such as fungi. Alexin is from the Greek, meaning to ward off or to protect. Resveratrol may also have alexin-like activity for humans. Epidemiological, in vitro and animal studies suggest that a high resveretrol intake is associated with a reduced incidence of cardiovascular disease, and a reduced risk for cancer.
Function:
1. Anti-cancer
2. Effect on cardiovascular system
3.Antibacterial and antifungal
4.Nourish and protect liver
5. Antioxidant and quench free-radicals
6.Impact on the metabolism of osseous issue
Application:1.Applied in the food field,
2.Applied in the health product field
3.Applied in the pharmaceutical field
COA:
| Item | Specification (in-house) | Results | Methods |
| Marker compound | Resveratrol 50% | 50.32% | HPLC |
| Marker compound | Emodin <5% | 3.76% | HPLC |
| Appearance & Color | Yellow Brown | Conform | GB5492-85 |
| Odor & Taste | Characteristic | Conform | GB5492-85 |
| Plant Part Used | Root | Conform | |
| Extract Solvent | Ethanol | Conform | |
| Bulk Density | 0.4-0.6g/ml | 0.50g/ml | |
| Mesh Size | 80 | 100% | GB5507-85 |
| Loss on Drying | ≤5.0% | 3.41% | GB5009.3 |
| Ash Content | ≤5.0% | 3.32% | GB5009.4 |
| Solvent Residue | Negativ | Conform | GC(2005 E) |
| Heavy Metals |
| Total Heavy Metals | ≤10ppm | 3ppm | AAS |
| Arsenic (As) | ≤1.0ppm | 0.15ppm | AAS(GB/T5009.11) |
| Lead (Pb) | ≤1.5ppm | 0.7ppm | AAS(GB5009.12) |
| Cadmium | <1mg/kg | Not Detected | AAS(GB/T5009.15) |
| Mercury | ≤0.3ppm | Not Detected | AAS(GB/T5009.17) |
| Microbiology |
| Total Plate Count | ≤1000cfu/g | <100 | GB4789.2 |
| Total Yeast & Mold | ≤25cfu/g | <10 | GB4789.15 |
| E. Coli | ≤40MPN/100g | Not Detected | GB/T4789.3-2003 |
| Salmonella | Negative in 25g | Not Detected | GB4789.4 |
| Staphylococcus | Negative in 10g | Not Detected | GB4789.1 |
| Packing and Storage | 25kg/drum Inside: Double-deck plastic bag, Outside: Neutral cardboard barrel & Leave in the shade and cool dry place |
| Shelf Life | 3 Year When Stored properly |
| Expiration Date | 3 Year |
Services:
1. Any inquiries will be replied within 12 hours.
2. Dedication to quality, supply & service.
3. Strictly on selecting raw materials.
4. OEM/ODM Available.
5. Reasonable & competitive price, fast lead time.
6. Sample is available for your evaluation & Formulation development.
7. Faster delivery:Sample order in stock and 3-7 days for bulk production.
8. We have strong cooperation with DHL,UPS, FEDEX, EMS. Or you also can choose your own shipping forwarder.Advantage:1.More than 10 years experiences, Leading plant extract industry in China;2.Own GAP planting bases & GMP factory;3.Top quality, Competitive price, Best service;4.Highly motivated and dedicated staff with only one goal "to achieve excellence";5.Supplied more than 300 kinds of standard herbal extracts and 900 kinds of botanical extracts.FAQ:1. What countries do your products have been sold to?
products have been exported to over 40 countries, such as North America, Australia, South America, Europe, South Africa, etc.
2. Is your products meet our country's standards?
Yes, Hunan New Mstar tests products strictly according to most country's standards. And we have full set of documents and certificates for most country's requirements. If the customer needs a third-party test, we can contact him immediately.
3. Could you produce the product according to our formula?
Yes, Hunan New Mstar is the leading plant extract manufacturer. We can produce the product according to your formula.
4. How can I rest assured of product quality?
We will send a COA & Specification sheet of our product, as well as a free sample for checking.
5. What is the MOQ?
Our MOQ is flexible, usually, 1kg-10kg fo trial order is acceptable. for formal order MOQ is 25kg.
6. Is there a discount?
Yes, the Price would be different based on different quantities and specifications. For bulk quantity, we will have a special discount for you.
7. How long for production and delivery?
Most products we have in stock, delivery time: Within 3-5 business days after receiving payment.
8. How to deliver the goods?
≤50kg ship by FedEx or DHL etc, ≥50kg ship by Air, ≥100kg can be shipped by Sea. If you have a special request for delivery, pls contact us.
9. What is the shelf life for the products?
Most products' shelf life is 24-36 months, meet with COA.
10. Payment terms?
T/T, West Union. Paypal.Other payment terms please check with us.
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