Products Description
Pure Resveratrol Powder is a natural polyphenolic compound primarily found in grape skins, Japanese knotweed, blueberries, and peanuts. It serves as a self-defense mechanism in plants, being synthesized in response to UV radiation, fungal infections, and environmental stressors such as drought, cold, and insect attacks. This compound enhances the plant's antioxidant capacity and improves its adaptability to harsh conditions.
Industrially, resveratrol is mainly produced through plant extraction, microbial fermentation, and chemical synthesis. Japanese knotweed is widely used for commercial extraction due to its high resveratrol content, while grape skins and other byproducts serve as alternative sources, though their lower content makes extraction more costly. In recent years, microbial fermentation has gained traction as an efficient production method, utilizing genetically engineered yeast or bacteria to synthesize resveratrol in controlled environments. This approach not only enhances yield and purity but also reduces dependence on plant resources, making it a more sustainable option. Chemical synthesis, on the other hand, is primarily used for research and specific industrial applications, offering high-purity products but seeing limited use in natural health products.

Products COA
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Item: polygonum cuspidatum extract |
Batch Number: HB20250220 |
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Validity period: Two years |
Quantity: 100kg |
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Item |
Specification(%) |
Result(%) |
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Appearance Color |
White powder |
Conforms |
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Resveratrol % |
≥98% |
98.27% |
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Resource |
Bark |
Conforms |
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Loss on drying % |
<1.0% Max |
0.34% |
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Mesh size |
100% pass 80 mesh |
Conforms |
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Solubility |
Good solubility in alcohol |
Good solubility in alcohol |
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Total Heavy Metal |
≤10.00mg/Kg |
Conforms |
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(Pb) |
≤3 mg/Kg |
Conforms |
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(As) |
≤1.00 mg/Kg |
Conforms |
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(Cd) |
≤1 mg/Kg |
Conforms |
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(Hg) |
≤0.5 mg/Kg |
Conforms |
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(Cu) |
≤1.00 mg/Kg |
Conforms |
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Ash Content % |
≤0.50% |
0.29% |
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Total Bacteria |
≤1000cfu/g |
Conforms |
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Yeast Mold |
≤100cfu/g |
Conforms |
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Salmonella |
Negative |
Negative |
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E.Coli |
Negative |
Negative |
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B1(Aflatoxin) |
≤5.00ug/Kg |
Conforms |
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Solvent residences |
≤0.05% |
Conforms |
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(BHC) |
≤0.10mg/Kg |
Conforms |
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DDT |
≤0.10 mg/Kg |
Conforms |
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(PCNB) |
≤0.10 mg/Kg |
Conforms |
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(Aldrin) |
≤0.02 mg/Kg |
Conforms |
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Identification |
HPLC/UV-VIS/GC |
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Conclusion |
Conforms |
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Storage: In a cool & dry place, keep away from strong light and heat.
Products Function
Pure Resveratrol powder is a natural antioxidant with numerous potential health benefits. Research shows that it can help reduce the risk of heart disease and cancer, improve diabetes management, boost immune system function, reduce inflammation, and slow down the aging process.
When it comes to heart health, it is believed to help lower cholesterol and blood pressure levels, thereby reducing the risk of cardiovascular disease. It may also improve cardiovascular health by inhibiting platelet aggregation.
It has also been found to improve diabetes management by increasing insulin sensitivity, reducing insulin resistance, and regulating blood sugar levels.
Furthermore, it is believed to be beneficial to the immune system, enhancing immune function, improving the body's resistance to disease, and reducing the risk of illness.
Finally, it may also have protective effects by reducing inflammatory processes and slowing down the aging process. Inflammation plays a significant role in many diseases, and Resveratrol may provide protective effects by modulating inflammatory responses.
This product is a natural active ingredient with various benefits. Firstly, it has antioxidant effects, which can help resist free radical damage and slow down the skin aging process. It also possesses anti-inflammatory properties, which can reduce skin inflammation and improve sensitivity and redness.
Using cosmetics containing this product can improve skin texture, making it smoother and more refined. It promotes the production of collagen and elastin fibers, thereby reducing the appearance of fine lines and wrinkles. Additionally, it has a brightening effect, making the skin look brighter and healthier.
Moreover, it also has moisturizing effects. It helps the skin lock in moisture and reduces water loss, keeping the skin hydrated and youthful.
Overall, cosmetics with this product can improve skin texture, brighten the complexion, reduce the appearance of fine lines and wrinkles, and provide hydration and moisturization. It is a versatile natural ingredient suitable for all skin types.
Application
1. As the crud drug for cardiovascular drugs, it is widely used in biopharmaceuticals.
2. It is widely used to be added to foods and health products.
3. With the unique effect of phytoestrogen, it is widely used in the cosmetics field to defer senility.
Product Advantages
1.High purity
Pure resveratrol powder contains a high concentration of resveratrol, ensuring its effectiveness and functionality, and can better provide health benefits such as antioxidant and anti-aging.
2.Strong antioxidant capacity
Resveratrol is a powerful antioxidant that can effectively neutralize free radicals, slow down the cell aging process, and protect the body from oxidative damage.
3.Support cardiovascular health
Studies have shown that resveratrol helps improve blood circulation, promote cardiovascular health, and may help reduce the risk of heart disease.
4.Multifunctional application
It is widely used in the fields of health products, cosmetics and functional foods, and can be used for anti-aging, anti-inflammatory, improving blood sugar regulation and other health benefits.
5.Natural source
It is usually produced by plant extraction or microbial fermentation, and is naturally derived, suitable for consumers who pursue natural and chemical-free products.
Factory strength

Shipment&Payment
Delivery
*DHL Express, FEDEX, and EMS for quantities less than 50KG, usually called DDU service.
*Sea shipping for quantities over 300KG; and air shipping is available for 50KG and above.
* For high-value products, please select air shipping and DHL express for safety.

Payment
For Sample Orders: Paypal, WestUnion, UnionPay, T/T, and Alibaba's Escrow Service are acceptable.
For Large Order: T/T, L/C

Why Choose us
1.All inquiries will be replied within 12 hours to ensure timely communication.
2.We are committed to ensuring product quality, stable supply, and excellent service.
3.Strictly selecting raw materials to ensure the high quality of every batch of products.
4.OEM and ODM services are available to meet your personalized needs.
FAQ
1. What is the minimum order quantity?
The minimum order quantity is usually determined by the supplier, but it is generally a bulk order of 1kg. For small orders, some suppliers can provide samples for testing.
2. What are the possible side effects of resveratrol powder?
Resveratrol is generally safe, but the following side effects may occur at high doses:
Digestive problems (such as nausea, diarrhea, or stomach upset)
Minor headache or dizziness
Potential interactions with medications, especially anticoagulants and anti-inflammatory drugs
3. Who should avoid using resveratrol?
Pregnant and breastfeeding women (due to lack of sufficient safety data)
People who are taking anticoagulant or anti-thrombotic drugs (resveratrol may enhance their effects)
People with hormone-sensitive diseases (because resveratrol may have estrogen-like effects)
4. Can resveratrol be used with other ingredients?
Yes, resveratrol is often used with other antioxidants (such as quercetin, curcumin, and vitamin C) to enhance its effects. However, if taken with large doses of anticoagulant components, it is recommended to use it under the guidance of a doctor.
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