Giant Knotweed Extract 98%

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  • Giant Knotweed Extract 98%
  • Giant Knotweed Extract 98%
  • Giant Knotweed Extract 98%
  • Giant Knotweed Extract 98%

Short Description:

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 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.


  • FOB Price: US 5 - 2000 / KG
  • Min.Order Quantity: 1 KG
  • Supply Ability: 10000 KG/per Month
  • Port: Shanghai /Beijing
  • Payment Terms: L/C,D/A,D/P,T/T,O/A
  • Shipping Terms: By sea/By Air/By Courier
  • E-mail:: info@trbextract.com
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    Product Detail

    Product Tags

    Product Name:Giant Knotweed Extract

    Latin Name:Polygonum Cuspidatum Sieb. et Zucc

    CAS No.:501-36-0

    Plant Part Used:Rhizome

    Assay:Resveratrol 20.0%,50.0%,98.0% by HPLC

    Colour: White fine powder with characteristic odor and taste 

    GMO Status:GMO Free

    Packing: in 25kgs fiber drums

    Storage:Keep container unopened in cool, dry place,Keep away from strong light

    Shelf Life:24 months from date of production

    Giant Knotweed Extract 98% Resveratrol: Premium Natural Antioxidant for Health & Wellness

    Product Overview
    Giant Knotweed Extract (Latin Name: Polygonum cuspidatum) is a high-purity botanical extract standardized to 98% Resveratrol, a potent polyphenol renowned for its antioxidant and health-promoting properties. Sourced from the roots of Giant Knotweed, this extract is processed under stringent quality control to ensure optimal efficacy and safety.

    Key Specifications

    • Active Ingredient: Trans-Resveratrol ≥98% (HPLC verified)
    • Appearance: White to off-white fine powder with characteristic odor
    • Molecular Formula: C₁₄H₁₂O₃
    • Molecular Weight: 228.24
    • CAS No.: 501-36-0
    • Storage: Cool, dry place away from sunlight
    • Solubility: Highly soluble in alcohol

    Health Benefits & Applications

    1. Antioxidant & Anti-Aging Support
      Resveratrol activates SIRT1 protein, enhancing mitochondrial function to combat oxidative stress and slow cellular aging. Widely used in anti-aging supplements and skincare formulations (e.g., serums with 3% concentration).
    2. Cardiovascular Health
      Inhibits LDL oxidation, reduces platelet aggregation, and improves endothelial function, supporting heart health.
    3. Metabolic & Immune Benefits
      Accelerates metabolism, aids weight management, and modulates immune responses. Clinically studied for respiratory and viral support (e.g., COVID-19 trials at 500 mg/capsule).
    4. Cancer Research
      Demonstrates anti-tumor potential by inhibiting cancer cell proliferation and inducing apoptosis.

    Recommended Use

    • Dietary Supplements: 1–2 capsules (200–500 mg) daily with meals, depending on formulation.
    • Skincare: Incorporated at 1–3% concentration in serums or creams for antioxidant protection.

    Quality Assurance

    • Purity: ≥98% Resveratrol verified by HPLC.
    • Safety: Heavy metals (Pb <10 ppm, As <0.17 ppm) and microbiological limits meet international standards.
    • Sustainability: Sourced from invasive Giant Knotweed, promoting ecological balance by utilizing this resilient plant.

    Why Choose Our Product?

    • Stable Supply: Raw materials sourced from North China with consistent quality.
    • Versatility: Suitable for nutraceuticals, pharmaceuticals, and cosmeceuticals.
    • Certifications: Traceable to NIFDC standards, ensuring compliance with global regulations
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