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Home ProductsKnotweed Extract Resveratrol

Weight Loss Chinese Knotweed Extract , Polygonum Cuspidatum Root Extract

Good quality Red Clover Extract for sales
Good quality Red Clover Extract for sales
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Weight Loss Chinese Knotweed Extract , Polygonum Cuspidatum Root Extract

China Weight Loss Chinese Knotweed Extract , Polygonum Cuspidatum Root Extract supplier
Weight Loss Chinese Knotweed Extract , Polygonum Cuspidatum Root Extract supplier Weight Loss Chinese Knotweed Extract , Polygonum Cuspidatum Root Extract supplier

Large Image :  Weight Loss Chinese Knotweed Extract , Polygonum Cuspidatum Root Extract

Product Details:

Place of Origin: China
Brand Name: World-way Biotech Inc.
Model Number: World-way Biotech Inc.

Payment & Shipping Terms:

Minimum Order Quantity: 25kg
Price: USD25~USD285/KG
Packaging Details: 25kg/Drum, DIA41cm×H50cm
Delivery Time: 5~8 working days
Payment Terms: T/T, , Western Union, D/P, L/C
Supply Ability: 6000TONS/YEAR
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Detailed Product Description
Product Name:: Giant Knotweed Extract,Giant Knotweed Rhizhome Extract,Polygonum Cuspidatum Extract,98% Resveratrol Latin Name: Polygonum Cuspidatum Sieb
Used Part:: Root And Stem,Rhizhome Specification: 5%~98% Trans- Resveratrol
Function:: Health Protect,Antioxidant,Anti-aging,Anti-cancer,Heart Protect,Lower Blood Fat Application:: Cosmetics,Food Ingredients,Food Supplement,Dietary Supplement,Healthcare Products,nutraceutical,Drinks And Beverage
Grade:: Food And Pharmaceutical Grade,first Grade,Medicine Grade;A Certificate:: KOSHER,GMP,HACCP,ISO9001,QS,SGS,CQC,MSDS,FDA,HALAL,SC,cGMP,ISO14001
Free Sample: 10~20g Free Sample Are Available Appearance:: Ivory-white Fine Powder
Packaging:: Bottle, Drum, Glass Container, Plastic Container, Vacuum Packed, Nner By Aluminium Foil Bag,Can, Shelf Life:: 2 Years

Free sample antioxidant Cosmetic Ingredients Polygonum cuspidatum Giant Knotweed Rhizome Extract 98% Resveratrol  

If you have technical support from specilist , please let us know the specification you need, the Test method, limitation of heavy metals, and Microbial.


If you are not sure about certain parameters of the product, please let us know your intended purpose of using and we are very happy to give you professional technical advice and support services. Our services are not limited to standardized plant extract, but also include customerized spcifications, R&D and manufacturing based on the customer's industry and application scenarios to help customers create more business opportunities.

Product Description


Product name:

Giant Knotweed Extract 



Latin name: Polygonum Cuspidatum Sieb

Main Ingredient:

10%-98% resveratrol

Test method:


Part Used:





 Ivory white  powder

Product photos:              

Weight Loss Chinese Knotweed Extract , Polygonum Cuspidatum Root Extract


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

Non-Irradiation Statement

This ingredient is not treated by irradiation and ETO

Kosher Status

Kosher KOF-K Parve

Guarantees the nature time

Two years




Brief Introduction of Resveratrol

Resveratrol has several activities that may accout for its possible cardio protective action. These include inhibition of the oxidation of low-density lipoprotein (LDL), inhibition of smooth muscle cell proliferation and inhibition of platelet aggregation. Resveratrol has also been found to reduce the synthesis of lipids in rat liver and to inhibit the production of proatherogenic eicosanoids by human platelets and neutrophils.


Effects of Resveratrol

Antibiotic antivirus, anti tumor, resists the hepatitis, suppresses the agglutinate production with plain B2 of thrombus of blood platelet. It can prevent low density fat albumen from oxidize, have potential prevention and cure cardiovascular disease, gives protection against cancer, antivirus and immune regulating action, its function is shown as its anti-oxidant characteristic mainly.

 98% trans resveratrol HPLC


COA of Resveratrol

Appearance Ivory-white powder GB 5492 Complies
Odor Little odor GB 5492 Complies
Flavor Little smell GB 5492 Complies
Particle Size 100% pass through 80 mesh sieve CHP2005 Complies
Bulk density Report data CHP2005 0.42g/ml
Loss on Drying <5.0% CHP2005 0.30%
Ash Report data CHP2005 0.10%
Chemical Tests
Trans-resveratrol >98% HPLC 98.05%
Cis-resveratrol Report data HPLC 0.02%
Heavy metals   <20ppm COLORIMETRY CHP2005 Complies
Lead    <0.2ppm AFS GB/T 5009.12 Complies
Pesticide Residue  None detected GC CHP2005 None detected
Microbiological Tests
Total Plate Count <10,000cfu/g CHP2005 Complies
Yeast & Mold        <100/g CHP2005 Complies
E.Coli                    Negative/g CHP2005 Negative/g
Salmonella  Negative/g CHP2005 Negative/g
Packaging & Shipping
Packaging and storage

1) Sample-packing:Good polythelene bag,keep sealing

2) Production-packing:25kg/drum and in paper-drum (D35cm*H51cm) and polyethylene bag inside

3) Storage:Air-tight original sealed container, low relative humidity and dark conditions.                                                      

Lead time  3~5 days after order comfrimation 
Delivery details 

For urgent order and light weight,  choose the following express: UPS, FedEx, DHL, EMS. 

For heavy weight, choose to deliver the goods by air or by sea to save cost.

 98% trans resveratrol HPLC

Related Products

Our advantages :
1. Free sample(10-20g or enough to detection) and Unconditional assume response

2. 100% Natural product, without any synthetize ingredient
3. Documents provided such as COA, MOA, MOP

4. After Sales Support - Unconditional refund if unqualified.

5. Manufacturer direct supply, provide OEM, R&D service


7. Leading plant extract manufacturer in China


Our strong products:

Echinacea Purpurea Extract

Red Clover Extract       

Dong Quai Extract   

Milk Thistle Extract      

Giant knotweed extract Resveratrol  , 

Ginseng Extract (pesticides-free)

Reishi mushroom Extract

Poria cocos extract

Sorghum extract

Magnolia extract

Schisandra extract

Stevia extract


Our Newly Developed Products: 

Cocoa Seed Extract  , 

Apple Extract  , 

Grapevine Extract Resveratrol,

Lotus leaf extract   

Sweet tea extract

Lychee extract

Mulberry extract

Company Information

1 GMP extract factories.jpg

2 World-way Founder.jpg

3 World-way Plantation.jpg

4 Raw material.jpg


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1,Vitafoods Europe 2018 Palexpo,Geneva,Switzerland 15th-17th,May, Booth# A30
2,CPHI Shanghai China 2018 Shanghai New Int'l Expo Centre (SNIEC),China 20th-22th,June, Booth# E5D09
3,Supplyside West 2018 Mandalay Bay,Las Vegas,NV,USA 8th-9th,November, Booth# 4983


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Contact Details
Changsha World-Way Biotech Inc

Contact Person: Jessica

Tel: +8613787093728

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