Natural Japanese knotweed-derived extract Polydatin 50-99% Raw material
Polydatin from Polygonum cuspidatum / Polydatin extract - high content specification compliant
Polydatin glycoside. A functional polyphenol ingredient derived from Japanese knotweed, expected to have high stability and high absorption.
This product is a plant-derived functional ingredient primarily composed of Polydatin (Polydatin / Resveratrol glycoside), which is extracted and refined from the plant Polygonum cuspidatum. Polydatin is a glycoside of resveratrol and has superior water solubility and stability compared to resveratrol, making it a focus of attention in recent years in the fields of health foods, pharmaceuticals, and food. It has been reported to have various physiological activities, including antioxidant effects, regulation of lipid metabolism, cholesterol reduction, antibacterial and antiviral effects, liver function support, and shock suppression. It is known to gradually convert into resveratrol in the body, which is also a characteristic that suggests sustained functional expression. This product can accommodate a content range of 50% to 99%, allowing for optimal grade selection according to application and formulation design. It is in a fine powder form with excellent dispersibility and is compatible with other plant extracts and nutritional materials. It is widely used as a pharmaceutical ingredient, food material, and health food/supplement ingredient, and is available for both domestic and international markets as a plant-derived, high-purity, and stably supplied ingredient.
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basic information
Product Name: Polydatin Also Known As: Resveratrol Glycoside Plant Origin: Japanese Knotweed (Polygonum cuspidatum) Chemical Classification: Polyphenol Glycoside Appearance: Light yellow to white fine powder Main Component Content: 50% to 99% Molecular Formula: C₂₀H₂₂O₈ Molecular Weight: 404.41 CAS Number: 27208-80-6 / 65914-17-2 Analysis Method: HPLC Solubility: Dispersible in water and alcohol Packaging Form: Aluminum inner bag + Fiber drum Storage Conditions: Cool, dark place; sealed storage Features: High stability, plant-derived, high content specification compliant
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Applications/Examples of results
Health food and supplement applications Products for antioxidant and anti-aging care Materials for supporting blood lipid balance Liver function support supplements Capsules, tablets, granules, powdered drinks Food applications Functional food materials Plant-derived polyphenol-enhanced ingredients Pharmaceutical and research applications Plant-derived active ingredient materials Functional material research ingredients We have a proven track record of supplying domestic and international health food manufacturers, food ingredient trading companies, and research institutions. Due to the clear feature of high-content polydatin derived from Japanese knotweed, it is adopted as a differentiating material compared to related ingredients.
Company information
YOUCHANG INDUSTRIAL DEVELOPMENT CO., LTD is a specialized manufacturer of natural ingredients, focusing on herbal extracts and plant-derived extracts, and is a global company with strengths in international exports. We develop products that integrate traditional knowledge of Chinese medicine with biotechnology, catering to diverse industries such as pharmaceuticals, cosmetics, health foods, functional beverages, personal care, animal nutrition, and aromatherapy. Our main products include herbal extracts, fruit and vegetable powders, tea extracts, peptides, active pharmaceutical ingredients (APIs), natural flavors, essential oils, reed diffusers, and aroma candles. We utilize advanced extraction technologies such as supercritical CO₂ extraction, low-temperature vacuum concentration, membrane separation, and spray drying to achieve high purity and stability of components. We have obtained various international certifications including ISO, GMP, HACCP, HALAL, KOSHER, and organic certification, establishing a quality control and traceability system. We can accommodate both small batches and large-scale production. Through stable quality, competitive pricing, professional support, and sustainable sourcing of raw materials, we build trust with business partners around the world.








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