Herb Extracts

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high quality anti aging resveratrol capsules
Product Description


[Product Name]: Giant knotweed P.E.
[Latin Name]: Polygonum Cuspidatum Sieb.et Zucc
[Main Active Ingredient]: Resveratrol and polydatin
[Purity]: 50%,98% HPLC
[Test Method]: HPLC
[Appearance]: Brown-yellow or white fine powder
[CAS No.]: 501-36-0 
[Molecular Weight]:228.24
[Shelf life]: 2 years
[Package]: 25kgs/drum
[Shelf Year]:24 Months
[Solubility]: solute in ethanol, methyl alcohol
[Raw Material]: Giant Knotweed
[Part Used]: Root
[Efficiency]:Anti-oxidation, Anti-aging, Anti-cancer


Resveratrol is 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 in faction by pathogenic microorganisms, such as fungi. Alexin is from the Greek, meaning to ward off or to protect, Resveratrol may also have alexinlike activity for humans, Epidemiological, in vitro and animal studies suggest that a high resveratrol intake is associated with a reduced incidence of cardiovascular disease, and a reduced risk for cancer.







(1)Health and medical capabilities:

1, It plays an important role in anti-atherosclerosis,coronary heart disease,ischemic heart disease and hyperlipidemia
2, It has great anti-oxidation,scavenging free radicals, anti-aging effects
3,By competing with coenzyme Q in organisms,resveratrol can reduce the formation of complex III,which can decrease the production of active oxygen and free radicals to shows a anti-oxidation ability.

4.Preliminary research indicates that resveratrol may fight skin damage caused by solarization and ultraviolet light; 
5.Resveratrol was linked to longer life spans and slowed the effects of aging; 
6.Resveratrol may be useful as a natural skin whitening treatment;

(2)Cosmetic application:

1, Scavenging free radicals, extending aging
3,Antioxidant and inhibition of lysozyme
4,Proteining tyrosine kinase inhibitor
5,Promoting collagen protein synthesisv






1. Applied in food field, it is mainly used as food additives, and to be added into many kinds of fruit wine; 
2. Applied in pharmaceutical field, it has good effect for cardiovascular diseases and cancer; 
3. Applied in cosmetic field, it is mainly used to delay aging and prevent UV radiation;




Packaging & Shipping


Storage:Store in cool & dry place, Keep away from strong light and heat.


Shelf Life:2 years if sealed and store away from direct sun light.




Delivery time :

Around 3-5 workdays after your payment.


5kg packed in aluminum foil bag,double plastic-bag inside

Packing :

In fiber-drums with two-plastic bags inside.

Net Weight :


Gross Weight :


Drum Size & Volume:

I.D.42cm × H52cm, 0.08 m3/ Drum

Payment terms:

T/T or Western Union , ESCROW

Srorage :

Stored in dry and cool place, keep away from strong light and heat.

Shelf Life :

Two years when properly stored.





Company Information


We are a leading manufacturer of herbal extracts and finished supplement capsules (Vegetarian from HPMC) in China, we have produced many capsules supplements for many companies in USA and EU since 2005. we ship various kinds of extracts capsules to our clients in USA, Denmark, Greece, UK, Norway, France, Australia, Hungary....
Regarding our final supplements, your can order:
ANY SIZE BOTTLE COUNT AVAILABLE, 60 capsules, 100 capsules, 120 capsules or whichever you prefer
ANY SIZE ORDER AVAILABLE, from 100 bottles to 50,000 bottles
IMMEDIATE DELIVERY! (for small batch, big quantity order need 2~4 weeks, depends on your quantity)

 Best quality,Competitive price,Excellent service 


Wuxi Gorunjie Natural-Pharma Co.,Ltd.


Add: #99, Furong mid-3rd Road, Wuxi, China.

Tel: 86-510-8262-0959   Mob: 86-150-5210-9975

Web: www.grjbio.com


Thank you for your interest for our products!


To get more information, please feel free to contact with us!Thanks!


We are ready to serve for you with super zealousness and full efforts!




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