Wholesale Organic Giant Knotweed Extract Polygonum Cuspidatum Powder

• Customization: Available
• Certification: ISO, Kosher/Halal/cGMP/Organic
• Storage Method: Normal
• Model NO.: 10%~98%Resveratrol
• Application: Food, Health Care Products, Medicine
• State: Powder
• Extract Source: Root
• Type: Giant Knotweed Extract
• Form: Powder
• Cultivation Method: Artificial Planting
• Extraction Type: Solvent Extraction
• Grade: Food Grade
• Product Name: Giant Knotweed Extract
• Latin Name: Polygonum Cuspidatum
• Free Sample: 5-20g
• MOQ: 1kg
• Appearance: Fine Brown Yellow Powder
• Certificate: ISO, Halal, Kosher, cGMP, Organic
• Storage: Cool Dry Place
• Shelf Life: 2 Years
• Transport Package: Drum, Plastic Container, Vacuum Packed
• Specification: extract Powder
• Trademark: vigorous
• Origin: Hunan, China

Product Description

 

Product Description

Wholesale organic Giant knotweed extract Polygonum cuspidatum powder
Introduction:

Giant Knotweed (Reynoutria sachalinensis), a close relative of Japanese Knotweed (Reynoutria japonica), is a perennial plant native to Asia. Its root extract is rich in resveratrol, emodin, and polyphenols, sharing similar bioactive properties with its more studied cousin. Traditionally used in Chinese and Japanese medicine, it supports cardiovascular health, inflammation control, and microbial defense.

 

Items	Specification
Extract Ratio	/
Extract Solvent	Water
Mesh size	NLT 90% through 80
Moisture Content	≤5%
Ash Content	≤5%
Heavy metals	≤10ppm
As	≤1ppm
Cd	≤1ppm
Pb	≤3ppm
Total Plate Count	≤1,000cfu/g
Total Yeast & Mold	≤100cfu/g

 

Application of Giant knotweed extract

**1. Antiviral & Antimicrobial Activity

• Effective Against Lyme Disease: Shown to inhibit Borrelia burgdorferi biofilm formation (used in herbal protocols like the Buhner regimen).

• Antifungal Properties: Active against Candida albicans.

**2. Anti-Inflammatory & Antioxidant

• Resveratrol Content: Activates SIRT1 (longevity pathway), reduces TNF-α and IL-6.

• Emodin Modulation: Blocks NF-κB, alleviating chronic inflammation (e.g., arthritis).

**3. Cardiovascular Protection

• Improves Endothelial Function: Enhances nitric oxide production for better circulation.

• Antithrombotic: May reduce excessive clotting.

**4. Liver & Metabolic Support

• Detoxification Aid: Stimulates bile flow and liver enzyme activity.

**5. Skin Health

• Topical Antimicrobial: Used in creams for eczema or acne.

• Wound Healing: Accelerates tissue repair via collagen synthesis.

 

Company Profile

Changsha Vigorous-tech Co., Ltd. is a manufacturer and supplier of Botanical Extracts, located in Changsha, Hunan. We have two natural extract laboratories, one analysis and test center, a pilot production base, two factories, can finish from small to large various stages of development, and we have can make the scientific research strength of standard control product quality, and enhance the competitiveness of their products. We have advanced equipment and analysis the extraction and separation of the testing instrument, including multifunction extractor, microwave extraction device, membrane separation device, the highly effective liquid phase color spectrometer, imported high half preparation color spectrometer, gas phase color spectrometer, infrared spectrometer, uv-vis spectrophotometer etc.
Manufacturing process of Giant knotweed extract

Certifications

 

The following certificates available if you require:

ISO / ISO22000

COA / MSDS
Gluten Free / Allergen Free

GMO Free / Non Irradiation
Organic certificate/ Certificate of origin(Form/CO)/Kosher/Halal/CGMP
Phytosanitary certificate / Microbial certificate
Food certificate / Heavy metal statement

Residual solvent meet E.P. requirements. / Non-Animal Material

 

Packaging & Shipping

Our Storage and Packaging(Very tidy,No dusty):

How about sample policy?

If we have the sample in stock.we will provide free sample to you.If we don't have it in stock. then you should pay the sample fee.any way,the sample fee will pay back to you when you confirm the roder.

Packing Detail: Packed in paper-drums and two plastic-bags inside. Net Weight: 25kgs/drum.

Storage Situation:Stored in a cool and dry well-closed container, keep away from moisture and strong light / heat. 
Shelf Life:  two years under well Storage situation and stored away from direct sun light. 

Express(Send Free sample):
 

Which shipping way is available and how to track?

By sea to your nearest port

By air to your nearest airport 

By express (DHL,UPS,FEDEX,TNT,EMS)to your door

When ur order shipping out . we will provide u a tracking no. then u can know clearly the status of the goods 

Our Advantages

Pre-sales
1.High quality control
2.Free samples(5-20g)
3.Kosher, MSDS, Food certification, etc
Sales
1.Professional sales director
2.Excellent R&D back up
3.24 hours service
After-sales
1.Shipment tracking
2.Goods quality following
3.Periodically contacting

FAQ

Q:What about your standard delivery time?
A:Normally the delivery time is 3-15 days. If you need it in a hurry, we will make immediate delivery.
Q:Is there any discount?
A:Sure, Prices are closely related to the quantity. The more, the cheaper.
Q:Can you provide samples?
A:Yes, normally we can provide samples 5-20 g. You could purchase a small amount of product too.If you need it, please don't hesitate to contact us.
Q:Do you have guarantee on your products?
A:The product are 100% pure natural with high quality. We are sure that every batch comes with the unique COA. All extracts are tested in-house; random extracts are tested by authoritative analytical labs.
Q: What is your MOQ?
A: Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q: What's your payment terms?
A: You can pay to us via T/T Bank, Visa Card, Master Card, e-Checking, Paypal, Western Union.
Q:How to ship and delivery?
A:Transit could be DHL,UPS,TNT, FEDEX, EMS. For mass orders, it will be delivered by air or sea.

Exhibition