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Polygonum cuspidatum extract Resveratrol

Home Herbal Extracts Polygonum cuspidatum extract Resveratrol
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Polygonum cuspidatum extract, 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.

Fooding is a Polygonum cuspidatum extract Manufacturers, Suppliers and Wholesalers in China. You can inquiry Polygonum cuspidatum extract price by email us: or leave message on the Fooding web. Fooding ensure you can buy Polygonum cuspidatum extract with a good price.

Discount Prices Available for Larger Orders.


Polygonum cuspidatum extract Resveratrol

  • Routine Packing:25kg bag
  • Place of origin:China
  • QC:Haccp, Kosher, Hala,ISO
  • Payment terms:T/T or L/C
  • Port of dispapch:Shanghai,Tianjin,Qingdao
  • Tel: +86-21-50321522
  • Fax: +86-21-51069122
  • Email:
  • Product Information

    Product Description
    Safety Ratings Key
    Gluten free




    Test Method

    Active Ingredients Resveratrol≥98% 98.75% HPLC



    Off-white fine powder

    Off-white fine powder







    NMT 5%


    2g / 525C / 4hrs

    Particle Size

    NLT 95% passes 80 mesh


     80 Mesh Screen

    Extract Solvents

     Water and Ethanol  Conforms  /

    Physical Characteristics

    Loss on Drying

     NMT 5%  4.11%  5g / 105C /4hrs


     45-75g/100ml  60g/100ml  
    Solubility  Ethanol  Conforms  1g/100ml Ethanol

    Pesticide Residue


     <0.2ppm  Conforms GC


     <0.2ppm  Conforms  GC
     Heavy Metals  ≤10ppm  Conforms  Atomic Absorption
     Arsenic(As)  ≤2ppm  Conforms  Atomic Absorption


     ≤2ppm  Conforms  Atomic Absorption


     ≤1ppm  Conforms  Atomic Absorption

    Chrome (Cr)

     ≤2ppm  Conforms  Atomic Absorption
     Resident Solve  ≤0.05%  Conforms  GC

    Resident Rad

     Negative  Conforms  

    Mircrobiological Tests

    Total Plate Count

     ≤5000cfu/g  Conforms  AOAC/Petrifilm

    Total Yeast & Mold

     ≤500cfu/g  Conforms  AOAC/Petrifilm
     E.Coli  Negative  Conforms  AOAC/Petrifilm
     Salmonella  Negative  Conforms  AOAC/Petrifilm


    About Polygonum cuspidatum extract Resveratrol

    a. In pharmaceutical field, it is mainly used for reducing blood sugar, blood pressure,
    blood fat and enhancing immunity;
    b. In food field, it is mainly used as food additives for colorant and health care not only
    owning sweet taste, but also brightness color;
    c. In cosmetic field, it is mainly used to Antioxidant and UVprotection;
    d. In health products field, its made into capsule,and it has already become one of the top ten salable natural plant extact products and owns the reputation of "natural health care product" and "orally cosmetics" in America.

    References on Polygonum cuspidatum extract Resveratrol
    [1]. Polygonum cuspidatum extracts as bioactive antioxidaion, anti-tyrosinase, immune stimulation and anticancer agents. Lee CC et al. J Biosci Bioeng. (2015)


    Support & FAQs

    1. What's your payment terms?

    T/T or LC.

    2. What's your delivery time?

    Usually we will arrange the shipment in 7 -15 days.

    3. How about the packing?

    Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.

    4. How about the validity of the Polygonum cuspidatum extract Resveratrol?

    According to the Polygonum cuspidatum extract Resveratrol you ordered.

    5, What is the MOQ of Polygonum cuspidatum extract Resveratrol ?

    Different products have different MOQ, for Polygonum cuspidatum extract Resveratrol , the MOQ is 1000kg.

    6, What is the price of Polygonum cuspidatum extract Resveratrol ?

    Fooding has been corporate with many Polygonum cuspidatum extract Resveratrol manufacturers for several years, we can provide you with best price of Polygonum cuspidatum extract Resveratrol.

    7, How long shall we wait for your reply?

    We can guarantee to reply your inquiries of Polygonum cuspidatum extract Resveratrol in one working days.

    8. What documents you provide?

    Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificat and Origin certificate. If your markets have any special requirements, let us know.

    9. What is loading port?

    Usually is Shanghai or Qingdao.


    Our Services
    1. Supply high quality products with a reasonable price in additives industry.
    2. Arrange the orders and shipping with cus requests in time, According to the different countries export policy provide complete customs clearance documents.
    3. Provide agile and safe payments.
    4. We can in charge of all if our products have quality problems.
    5. Provide a price trend, ensure the clients can know about  marketing informations in time.
    6. Have offices at Mexico, Clients can get our company information from here, discuss the prices and delivery time face to face.