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Product Description
Derived from the roots of the Knotweed plant (Polygonum cuspidatum Sieb. et Zucc.), as well as the roots of the Fleeceflower (Fallopia japonica), the bark of the Kuril Spruce, and the Eucalyptus genus. Polydatin is a natural active compound known for its antioxidant and anti-inflammatory properties.
Uses and Description: Widely used in molecular biology and pharmacology research, Polydatin has promising applications in medicine and health supplements. Studies indicate that Polydatin can effectively delay cell aging, enhance the body’s antioxidant capacity, and offer preventive benefits against cardiovascular diseases, diabetes, and Alzheimer’s disease. It is also being explored for adjunctive cancer therapy, particularly in inhibiting tumor growth and metastasis. The safety of Polydatin is still under research, with potential side effects including diarrhea, nausea, and vomiting.
Currently, Polydatin products on the market are primarily dietary supplements and pharmaceuticals.
Polydatin Production Process
Water Extraction and Alcohol Precipitation:
The production process for Polydatin includes water extraction, adsorption with macroporous resin, ultrafiltration, concentration, and recrystallization.
Alcohol Extraction:
The fresh roots and rhizomes of Knotweed are dried and ground, then extracted with ethanol. The extract is concentrated to one-tenth of its original volume. After cooling to room temperature, solid impurities are filtered out. The filtrate is passed through a neutral alumina column, and the eluate is collected, concentrated to remove ethanol, cooled to room temperature to crystallize, and filtered to obtain crude Polydatin crystals. The crude crystals are recrystallized with ethanol and dried to yield the final product. This method is straightforward and produces high-purity extracts.
Polydatin Application Scenarios
Polydatin is widely used in the health supplement and pharmaceutical industries.
Packaging and Storage of Polydatin
【Storage Conditions】Store in a sealed, light-blocked container, avoiding high temperatures, in a dry, cool, and well-ventilated place.
【Packaging Method】Bulk 1kg/ aluminum foil bag, small samples 10g/ aluminum foil bag, or according to customer requirements.
【Transportation】Express or logistics; domestic express delivery within three days, logistics within five days. Prices generally include domestic transportation costs.
【Shelf Life】Two years.
Plant Source—Knotweed
Knotweed (scientific name: Reynoutria japonica Houtt.) is also known as Japanese Knotweed, or by other names such as "flower-spotted bamboo," "sour bamboo stick," "sour soup stalk," "Chuanjinlong," "ban zhuang," and "ban zhang root." Knotweed is used both for ornamental purposes and as food; young stems are eaten as vegetables, and the roots are used in cold beverages. The plant is a member of the buckwheat family with small, white flowers, dioecious, and produces compound inflorescences in the leaf axils. The seeds are reddish-brown, oval-shaped, and winged. The rhizomes are harvested in autumn and winter, sliced, and dried. Knotweed is distributed in central and southern China, growing in moist areas like valleys and stream banks. It has various uses, including reducing dampness and jaundice, clearing heat and detoxifying, alleviating pain, stopping coughs, and resolving phlegm. It is used for conditions like jaundice, urinary tract infections, leucorrhea, rheumatic pain, abscesses, burns, menstrual disorders, tumors, injuries, and lung heat coughs.
