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Giant Knotweed Extract And Resveratrol - China

price: contact company for price

Original plant: Root of Polygonum cuspidatum Sieb. et Zucc.

Specification: 20%, 50%,98% Resveratrol

Appearance: Brownish yellow to brown powder

Test Method: HPLC

Molecular Formula: C14H12O3

Molecular Weight: 228.25

ChemicalName: 3, 4', 5-trihydroxy-trans-stilbene;5-[(1E)-2-(4-hydroxyphenyl)ethenyl]-1, 3-benznediol

Melting Point: 253-255℃

CAS No.: 501-36-0

Solubility: Soluble in Ethanol and Propanol.

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. Resveratrol may also have alexin-like 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.

Application of Resveratrol

Resveratrol is a natural anti-oxidants, it can inhibit tumor, also has the role of estrogen-like effect and can be used for the treatment of breast cancer and other diseases. Resveratrol can also be used for cosmetic, skin whitening, sunscreen and anti-UV, better stability.

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


Company Contact:


  • Phone: 8673184681820610

  • Address: FL17, Unit 2, Block 1, Xiangteng City Plaza, No.43, Changsha City, China

  • Email: Email


Published date: April 17, 2013 -

  • Business Description: Natural ex Inc., located in the west side of Xiang River in Changsha, is a professional manufacturer of botanical extracts and natural effective ingredients. We own a team which dedicated to the R&D, production and marketing of botanical extract since 1990s, also have advanced equipment and facilities which are used for the production of botanical extracts. In the past years, we researched and developed several hundred of producing technology of botanical extract, now our total annual production capacity of herbal raw material is about 5,000mt and we can supply more than 800mt botanical extracts each year.

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