Polygonum Cuspidatum Extract High-Purity Resveratrol powder

Certificates: NOP & EU Organic; BRC; ISO22000; Kosher; Halal; HACCP
Annual supply capacity: More than 80000 tons
Application:   Applied in food field, pharmaceutical field, comestic

Product Detail

Product Tags

Product Introduction

Polygonum Cuspidatum Extract High-Purity Resveratrol Powder, also known as Japanese knotweed extract or Hu Zhang extract, is a concentrated form of resveratrol derived from the Japanese knotweed plant. It contains a high percentage of resveratrol, which has been shown to be a potent antioxidant and anti-inflammatory compound that may help prevent or manage a range of health conditions, including cardiovascular disease, diabetes, cancer, and neurodegenerative disorders. This extract is often used in dietary supplements, functional foods, and topical skincare products for its health-promoting properties.

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Product Name Resveratrol Quantity 1000KG
Batch Number BCTP2301307 Origin China
Manufacture date 2023-01-08 Date of Expiration 2025-01-07
Item Specification Test result Test Method
Assay ≥99% 99.82% HPLC
Appearance Off-White or white fine powder Brown Yellow Q/YST 0001S-2018
Odor and Taste Characteristic Complies Q/YST 0001S-2018
Loss on drying ≤0.5% 0.16% CP2015
Moisture ≤0.5% 0.09% GB 5009.3-2016 (I)
Melting Point 258~263C 258~260C CP2015
Heavy metal(mg/kg) Heavy Metals≤ 10(ppm) Complies GB/T5009
Lead (Pb) ≤2mg/kg Complies GB 5009.12-2017(I)
Arsenic (As) ≤2mg/kg Complies GB 5009. 11-2014 ( I)
Cadmium(Cd) ≤1mg/kg Complies GB 5009.17-2014 (I)
Mercury(Hg) ≤0.1mg/kg Complies GB 5009.17-2014 (I)
To a  P a e Coun ≤ 1000cfu/g < 10cfu/g GB 4789.2-2016( I)
Yeast&Mould ≤ 100cfu/g < 10cfu/g GB 4789.15-2016
E.coli Negative Negative GB 4789.3-2016(II)
Salmonella/25g Negative Negative GB 4789.4-2016
Staph. aureus Negative Negative GB4789.10-2016 (II)
Storage Preserve in well-closed, light-resistant, and protect from moisture.
Packing 25kg/drum.
Shelf life 2 years.


• Anti oxidation, delaying aging and resisting fatigue
• Anti cancer, anti-tumor
• Anti-inflammatory, anti-allergic
• Antibacterial, anti fungal, antiviral
• Immune regulation effects


• Applied in food field, it's used as food additive with the function of lengthening life.    
• Applied in pharmaceutical field, it is frequently used as medicine supplement or OTCs ingredient and owns good efficacy for treatment of cancer and cardio cerebrovascular disease.
• Applied in comestics, it can delay aging and prevent UV radiation.l.

Production Details

Manufacturing process of Resveratrol powder


Packaging and Service

Storage: Keep in a cool, dry, and clean place, Protect from moisture and direct light.
Bulk Package: 25kg/drum.
Lead Time: 7 days after your order.
Shelf Life: 2 years.
Remark: Customized specifications also can be achieved.


Payment and Delivery Methods

Under 100kg, 3-5Days
Door to door service easy to pick up the goods

By Sea
Over300kg, Around 30 Days
Port to port service professional clearance broker needed

By Air
100kg-1000kg, 5-7Days
Airport to airport service professional clearance broker needed



Polygonum Cuspidatum Extract High-Purity Resveratrol Powder is certified by USDA and EU organic, BRC, ISO, HALAL, KOSHER and HACCP certificates.


FAQ (Frequently Asked Questions)

1. What is resveratrol, and how is it extracted from Polygonum Cuspidatum?

Resveratrol is a natural polyphenolic compound found in plants, including Polygonum Cuspidatum. Extracting it typically involves using solvents such as ethanol or water to isolate and concentrate the compound.

2. What are the health benefits of resveratrol?

Resveratrol has been studied extensively for its potential health benefits, including reducing inflammation, improving cardiovascular health, and supporting healthy brain function. It is also known for its antioxidant properties and may have anti-aging effects.

3. How much resveratrol should I take per day?

There is no one-size-fits-all answer to this question, as the ideal daily dosage can vary depending on factors such as age, health status, and individual needs. It is important to consult a healthcare professional before starting any supplement regimen.

4. Is resveratrol safe to consume?

Resveratrol is generally considered safe for most people when consumed in appropriate doses. However, it may interact with certain medications, so it is important to consult a healthcare professional before taking any supplements.

5. Can resveratrol be used topically?

Yes, resveratrol may be used topically in skincare products to help protect and nourish the skin. It is thought to have antioxidant and anti-inflammatory effects that may help improve the appearance of fine lines and wrinkles.

6. Are there any side effects associated with resveratrol?

In general, resveratrol is well-tolerated and does not cause any serious side effects. However, some people may experience mild gastrointestinal symptoms or headaches when taking the supplement.

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