Giant Knotweed Extract

Latin name: Polygonum cuspidatum Sieb.
Type: Tiger Balm Extract
Active Ingredient: trans-resveratrol
Extract Part: Root, Stem
Extract specification: 98% trans-resveratrol HPLC
Extract type: solvent extraction
Extraction solvent: water and ethanol
Characteristics: off-white fine powder
Grade: Food Grade
Main application: food, health products
Packing: 25kg / paper tube (D35cm * h51cm) internal polyethylene bag
Place of Origin: Mainland China
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  • 98% resveratrol

  • World-way


The main active ingredients is trans-resveratrol (3,5,4'-trihydroxy-trans-stilbene), which is a natural anti-oxidant compound. It is a powerful antioxidant produced by some plants to protect them against environmental stresses. Antioxidants neutralize free radicals, which are believed to be the cause of aging. Giant knotweed is the plant source with the highest resveratrol content.



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







1-Material control234


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Product Inquiry
  • Q Do you manufacture all natural products?

    A Yes, we manufacture products with no artificial ingredients.
  • Q Can I have a sample ?

    A Sure, 20g-50g free sample is available for your testing.
  • Q Do you have a guarantee on your products?

    A We guarantee the goods produced is same as the samples confirmed by you, and strictly tested every item comply with CHP, EP or USP before shipping.
  • Q What is your delivery?

    A Normally the delivery is 7-10 working days
  • Q What do you produce?

    A We produce standardized herbal extract to ratio extract, such as Pesticide Free Ginseng Extract, Cocoa Polyphenols, Apple Phloridzin, Sweet Tea Extract, Resveratrol From Giant Knotweed Extract, Sorghum Extract, Dong Quai Extract, Milk Thistle Extract, Red Clover Extract, Echinacea Purpurea Extract, Magnolia Bark Extract etc
We look forward to working with you to develop cost effective products and long term relationships with mutual benefit.

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 Room 1706,1st Building Of Wankuntu, Changsha 410014, Hunan, China.
 +86-13974944225
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