Giant Knotweed Extract
Latin Name: Fallopia sachalinensis (Syn. Polygonum sachalinense).
Specification: 10:1(customizable)
Active Marker: Resveratrol 10%-98% (or other relevant marker, e.g., Emodin)
Particle Size: 100% Pass 80 Mesh
Grade: Food Grade / Pharmaceutical Grade
Appearance: Yellow Brown Powder
Package: 1kg/Bag,5kg/Bag, 25kg/Drum
Extraction Type: Solvent Extraction(Ethanol/Water)
Shelf time: 2 years
Certificates: ISO9001:2015/ISO22000/Halal/Kosher/HACCP
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
What is Giant Knotweed Extract?
Giant knotweed, also known as Fallopia sachalinensis,Polygonum Cuspidatum, is a powerhouse of natural compounds with a wide range of potential applications. At WELLGREEN, we harness the potent properties of this remarkable plant to deliver high-quality Giant Knotweed Extract, meticulously crafted for diverse industries. WELLGREEN is a leading innovator and manufacturer of herbal extracts, committed to delivering exceptional quality and purity. Our Polygonum Cuspidatum Extract is produced using state-of-the-art extraction techniques, ensuring maximum potency and bioavailability. We follow strict quality control standards at every step of the process, starting from sourcing the raw materials all the way through to the final packaging of the product. This ensures that every item meets our high-quality standards and delivers the best possible results for our customers. We take great care in every detail to guarantee consistency, safety, and effectiveness in all our products.
Giant Knotweed (Fallopia sachalinensis), distinct from Japanese Knotweed (Polygonum cuspidatum), is a plant rich in beneficial natural compounds. WELLGREEN's extract is sourced specifically from Fallopia sachalinensis and is processed to harness its potent properties for various applications. As a leading manufacturer, WELLGREEN employs state-of-the-art extraction techniques and rigorous quality control to ensure a high-potency, bioavailable extract that meets strict standards for purity and consistency from sourcing to packaging.
Giant Knotweed Extract Product Specifications
| Feature | Specification |
|---|---|
| Botanical Name | Fallopia sachalinensis |
| Part Used | Rhizome |
| Extraction Method | Ethanol/Water Extraction |
| Active Ingredients | Resveratrol, Polydatin, Emodin |
| Appearance | Fine Brown Powder |
| Solubility | Soluble in Ethanol, DMSO |
| Purity | ≥98% (HPLC) |
| Shelf Life | 24 Months |
| Packaging | Airtight Drums/Bags |
COA of Knotweed Extract(Polygonum Cuspidatum)

Technical Features: Ensuring Product Safety and Quality
At WELLGREEN, we prioritize safety and quality. Our Giant Knotweed Extract (sourced from Fallopia sachalinensis) undergoes rigorous testing to ensure it meets the highest industry standards.
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Heavy Metal Testing: Comprehensive analysis guarantees the absence of harmful contaminants (e.g., lead, arsenic, cadmium, mercury).
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Microbial Testing: Stringent checks ensure the extract is free from bacteria, fungi, and other microorganisms (e.g., total plate count, E. coli, Salmonella).
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Pesticide Residue Analysis: Meticulous testing confirms the product is free from residual pesticides, aligning with global safety limits.
Unlocking the Potential: Applications of Giant Knotweed Extract
Our extract offers versatile solutions for diverse industries:
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Food and Beverage Industry:
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Enhances nutritional profiles and antioxidant properties in functional foods, beverages, and health supplements.
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Acts as a natural preservative due to its antimicrobial effects.
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Cosmetics and Personal Care:
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Incorporated into skincare formulations (e.g., creams, serums) for antioxidant and anti-inflammatory benefits.
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Helps combat oxidative stress and signs of aging.
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Health Products and Dietary Supplements:
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Formulated into capsules, tablets, or powders to support cardiovascular health, metabolic function, and overall well-being.
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Targets specific concerns like inflammation and oxidative damage.
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Pharmaceutical Industry:
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Serves as a raw material for drug development and research, particularly for compounds like resveratrol and emodin.
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Explored for potential applications in metabolic syndrome, oncology, and neurology.
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Tailored Solutions: OEM Service
We understand the unique needs of our clients. Our dedicated team provides comprehensive OEM services, allowing you to customize our Giant Knotweed Extract (Fallopia sachalinensis) to meet your specific requirements.
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Custom Formulations: We can tailor the extract’s concentration, active ingredient profile (e.g., Resveratrol, Polydatin, Emodin ratios), and other parameters to suit your product specifications.
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Private Labeling: Brand our high-quality extract with your own label and packaging, enhancing your brand recognition and market presence.
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Technical Support: Our experts provide ongoing technical support and guidance throughout the development and production process, ensuring seamless integration into your products.
Certifications: Assurance of Quality and Reliability
WELLGREEN is committed to delivering products that meet the highest international standards. Our Giant Knotweed Extract is certified by:
ISO9001:2015: Quality Management System
ISO22000: Food Safety Management System
HALAL: Islamic Dietary Law Compliance
KOSHER: Jewish Dietary Law Compliance
HACCP: Hazard Analysis and Critical Control Points
Organic Certificate: Certified Organic Production

Frequently Asked Questions
Q: What is the recommended dosage of Giant Knotweed Extract?
A: The optimal dosage may vary depending on the intended application (e.g., dietary supplement, functional food), formulation, and individual needs. We recommend consulting with a qualified healthcare professional or product development expert for personalized dosage recommendations.
Q: Is Giant Knotweed Extract safe for consumption?
A: Yes, our Giant Knotweed Extract is generally considered safe for consumption when used as directed in accordance with good manufacturing practices (GMP). It undergoes rigorous testing for heavy metals, microbial contaminants, and pesticide residues. However, as with any dietary ingredient, it is always advisable to consult with a healthcare professional before incorporating a new supplement into your regimen.
Q: Where can I purchase WELLGREEN's Giant Knotweed Extract?
A: You can contact our sales team directly at wgt@allwellcn.com to inquire about pricing, samples, and purchasing options. We serve B2B clients for large-volume orders.

Contact us today
If you want to know more about Giant Knotweed Extract, please contact us email: wgt@allwellcn.com.
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