
What is Polygonum cuspidatum extract powder?
Knotweed Extract Powder, a powder extracted from high-quality Knotweed plants, is rich in beneficial ingredients such as resveratrol, antioxidants and multivitamins, which give it unique functional properties. It is widely used in the food, nutraceutical and pharmaceutical industries to add nutritional value, improve health, and provide antioxidant protection. Knotweed extract powder also helps improve immune system function and has anti-inflammatory effects.
As a professional knotweed extract powder supplier and exporter, GreenSkyBio is committed to providing the highest quality products. Our knotweed extract powder undergoes strict quality control to ensure every batch meets your high requirements.
Feel free to contact us to learn more about how GreenSkyBio Polygonum Cuspidatum Extract powder can fit your product needs. If you have any questions or needs about our products or services, please feel free to send an email to sales@greenskybio.com, we look forward to working with you.
name | Giant Knotweed Extract |
Exterior | brown powder |
Attributes | herbal extracts, plant extracts, resveratrol |
purity | 98% Resveratrol |
Product ingredients | Resveratrol, emodin, anthraquinones |
source | Extracted from the root of Polygonum cuspidatum (giant knotweed) |
use | Antioxidant, anti-aging, dietary supplements |
Test Methods | High performance liquid chromatography (HPLC), UV-visible spectroscopy |
Greenskybio Your Premium Polygonum Weed Extract Powder Manufacturer and Producer

Sources of Knotweed Extract Powder
Polygonum Cuspidatum Extract powder is primarily derived from the Polygonum cuspidatum plant grown around the world. The knotweed plant, scientific name Polygonum cuspidatum, is an herbaceous plant that grows in many countries. These areas include China, India, the United States, etc. The climate and soil conditions in these areas are conducive to the growth of knotweed plants, ensuring the high quality of knotweed extract powder. Currently, the main sources of raw materials for Polygonum Cuspidatum Extract powder manufacturers include China, using natural and organic growing methods to ensure the purity and efficiency of the product.

The production process of Polygonum cuspidatum extract powder
Selection of raw materials: High-quality knotweed plant roots are selected to ensure freshness and no pollution.
Extraction process: Resveratrol and other beneficial ingredients are extracted from the knotweed plant through a scientific extraction process.
Concentrate: Concentrate the extract to a powder form to increase its concentration and stability.
Packaging: Pack the knotweed extract powder into a form suitable for transportation and storage, ensuring the freshness and quality of the product.
Quality testing: Strict quality control is carried out, including testing for chemical composition, microorganisms and heavy metals, to ensure the safety and purity of the product.
Finished product: Polygonum Cuspidatum Extract powder after all steps are completed and ready for sale or further processing.

Product specifications of Polygonum cuspidatum extract powder
Project | Specifications |
---|---|
Appearance | Fine-grained powder, brown to yellow |
Main ingredients | Contains resveratrol (total ≥40%), antioxidants, multivitamins |
Extraction ratio | 5:1 (1 gram of extract is made for every 5 grams of Polygonum cuspidatum) |
Solubility | Completely soluble in water |
Microbiological limits | Total colony count ≤ 1000 CFU/g, mold and yeast ≤ 100 CFU/g |
Heavy metal content | Pb≤1.0 ppm, As≤1.0 ppm, Hg≤0.1 ppm, Cd≤1.0 ppm |
Arsenic content | No more than 0.5 ppm |
Moisture content | Not more than 5.0% |
Ash content | Not more than 5.0% |
Storage conditions | Store in a dry, cool place, away from direct sunlight |
Shelf life | 24 months |

Features
Antioxidant Properties: Polygonum Cuspidatum Extract powder is rich in resveratrol and antioxidants, which help slow down the cellular aging process and provide powerful antioxidant protection.
Solubility characteristics: Good water solubility makes it easy to apply in drinks and liquid foods, maintaining the uniformity and stability of the product.
Immune Boosting: The multivitamins and antioxidant components of knotweed extract powder help enhance immune system function and increase resistance to disease.
Anti-inflammatory effect: The anti-inflammatory properties of resveratrol help reduce inflammatory responses and have potential for the prevention and treatment of inflammatory diseases.
Cardiovascular Support: Polygonum Cuspidatum Extract powder may help lower blood pressure, improve cardiovascular health, and reduce the risk of heart disease.
Anti-Aging and Beauty: Antioxidants and multivitamins help delay skin aging and promote skin health and beauty.
Anti-diabetic: Research shows that knotweed extract powder may help control blood sugar levels and has potential for diabetes management.

Detailed explanation of the functional properties of Polygonum cuspidatum extract powder
Features | Description |
---|---|
Antioxidant properties | Polygonum Cuspidatum Extract powder is rich in antioxidants such as resveratrol, which helps neutralize free radicals, slow down oxidative damage to cells, and provide antioxidant protection. |
Solubility Properties | Good water solubility, easy to apply in drinks and liquid foods, and can be evenly dispersed in products. |
Immune enhancement | The multivitamins and antioxidants in Polygonum Cuspidatum Extract powder help enhance immune system function and improve resistance to disease. |
Anti-inflammatory effect | Resveratrol’s anti-inflammatory properties reduce inflammatory responses and help prevent and treat inflammatory diseases. |
Cardiovascular support | Polygonum Cuspidatum Extract powder may help lower blood pressure, improve cardiovascular health, and reduce the risk of heart disease. |
Anti-aging and beauty | Antioxidants and multivitamins help delay skin aging and promote skin health and beauty. |
Anti-diabetic | Research suggests that knotweed extract powder may help control blood sugar levels and has potential for diabetes management. |

Benefits of Knotweed Extract Powder
Health Boost : As a powerful source of antioxidants, it helps reduce free radicals and supports overall health.
Anti-inflammatory and antioxidant: Provides protection against inflammatory diseases and oxidative damage.
Cardiovascular Health: May help lower blood pressure, improve cardiovascular function, and reduce the risk of heart disease.
Immune enhancement: A variety of vitamins and antioxidants help enhance immune system function and improve immunity.
Control blood sugar: May be helpful in diabetes management, helping to control blood sugar levels.
Anti-aging and beauty: Delay skin aging, increase skin elasticity and luster.
Anti-fatigue effect: Natural nutrients help improve physical strength and endurance, and effectively resist fatigue.
Anti-inflammatory effect: Helps reduce inflammatory responses and may have a positive effect on joint inflammation and other inflammatory diseases.
Bone Health : The minerals in knotweed extract powder help maintain bone strength and density and help prevent osteoporosis.
Enhances sexual performance: Traditionally used as a natural aphrodisiac, it helps improve sexual function and increase libido.
Digestive Support: May help promote digestive health and relieve gastrointestinal discomfort.
Mental Anxiety Relief: Some research suggests knotweed extract powder may have some relieving effects on anxiety and stress.
Antibacterial effect: It has certain antibacterial properties and helps maintain oral and intestinal health.
Anti-allergy: Some research suggests knotweed extract powder may help reduce allergic reactions and symptoms.
Liver Support: May help improve liver health and promote detoxification.
Enhances memory: Some studies indicate that knotweed extract powder may have positive effects on brain function and memory.
The benefits of Polygonum Cuspidatum Extract powder are manifold and it has a wide range of applications and potential in many fields.

Application areas
Food field: used as antioxidants and preservatives to enhance flavor and extend food shelf life.
Health product field: Helps maintain blood vessel health, reduce the risk of heart disease, and provide comprehensive health support.
Pharmaceutical field: As a medicinal ingredient, it may be used to treat inflammatory diseases, control blood sugar, enhance the immune system, etc.
Cosmetics: Antioxidant and anti-aging properties make it an ideal ingredient in skin care products, helping to protect the skin from environmental damage.
Field of Herbal Medicine: Widely used in traditional Chinese medicine to improve health and treat various diseases.
Nutritional supplement field: used as a supplement of vitamins and antioxidants to provide comprehensive nutritional support.
Beverage field: Added to various beverages to increase nutritional value and taste.
Medicinal tea field: Made into Polygonum cuspidatum tea, it is used to regulate body functions and improve health.
Medical device field: Medical devices used to prepare Polygonum Cuspidatum Extract powder, such as capsules, tablets, etc.
Nutritious meal field: added to nutritious meals to provide comprehensive health support.
The versatility of Polygonum Cuspidatum Extract powder makes it suitable for a wide range of applications in different fields.

Contact information
As a professional supplier and exporter of Knotweed Extract Powder, our products are certified with major international standards including CNAS, Kosher, ISO 9001, Ecocert, HMA and GMP to ensure that they comply with the highest quality benchmarks. Our facilities are Global Good Manufacturing Practice certified, guaranteeing superior quality in every batch.
Whether you are a manufacturer, supplier, exporter, importer, distributor, wholesaler or retailer, we can help you find the perfect knotweed extract powder for your product needs.
Please feel free to contact us for more information, we look forward to working with you.

Product names in different countries
China: 虎杖提取物粉末
India: पॉलिगोनम कुस्पिदातुम एक्सट्रेक्ट परउडर
US/English: Polygonum Cuspidatum Extract Powder
Germany: Knotenbinse-Extrakt Pulver
Italy: Polvere di estratto di Polygonum cuspidatum
Japan: ヒメフデエキスパウダー
France: Poudre d'extrait de Polygonum cuspidatum
UK: Polygonum Cuspidatum Extract Powder
Russia: Порошок экстракта пустырника
Canada: Polygonum Cuspidatum Extract Powder