Polygonum Cuspidatum Extract Resveratrol
Latin Source: Rhizoma Polygoni Cuspidati
Other Names: Bitter stick, spotted stick
Part Used: Root
Appearance: White fine powder
Specification: 98%
MOQ: 1kg
Features: Antioxidant, anti-inflammatory, lipid-lowering, cardiovascular protection
Application: Medicine, health products, cosmetics, food
Certificate: ISO9001, cGMP, ISO22000, HACCP, FDA, halal
Product Description
Polygonum Cuspidatum Extract Resveratrol is 3, 4', 5-trihydroxystilbene. When seed plants are exposed to fungal infection and UV radiation, they create a plant defensin to protect themselves. Knotweed and grapes are the main sources of natural resveratrol. Polygonum Cuspidatum Extract Resveratrol's antioxidant, anti-inflammatory, anti-cancer, and cardiovascular protective benefits are becoming recognised and used in human health.

Certificate of Analysis
|
Item |
Specification |
Result |
Method |
|
Basic Product Information |
|||
|
Genus and Species |
Pohygonum cuspidatum Sieb et Zucc. |
Conform |
/ |
|
Part of the Plant |
Root |
Conform |
/ |
|
Country of Origin |
China |
Conform |
/ |
|
Marker Compounds |
|||
|
Assay(Trans-resveratrol) |
>98.0% |
98.45% |
HPLC |
|
Emodin |
<0.07% |
0.01% |
HPLC |
|
Organoleptic Data |
|||
|
Appearance |
Fine Powder |
Conform |
Visual |
|
Color |
Off-white |
Conform |
Visual |
|
Odor |
Characteristic |
Conform |
GB/T 5492-2008 |
|
Taste |
Characteristic |
Conform |
GB/T 5492-2008 |
|
Process Data |
|||
|
Method of Processing |
Extraction |
Conform |
/ |
|
Solvent(s) Used |
Ethanol & Water |
Conform |
/ |
|
Drying Method |
Vacuum drying |
Conform |
/ |
|
Excipient |
None |
Conform |
/ |
|
Physical Characteristics |
|||
|
Melting point |
253℃~255℃ |
254.5℃ |
GB21781-2008T |
|
Particle Size (80 mesh) |
>98.0% pass 80mesh |
Conform |
GB/T 5507-2008 |
|
Loss on drying |
<2.0% |
0.31% |
GB/T 14769-1993 |
|
Ash Content |
<1.0% |
0.3% |
AOAC 942.05, 18th |
|
Heavy Metals |
|||
|
Total Heavy Metals |
<10ppm |
Conform |
USP <231>, method II |
|
As |
<2.0ppm |
Conform |
AOAC 986.15, 18th |
|
Pb |
<2.0ppm |
Conform |
AOAC 986.15, 18th |
|
Cd |
<0.5ppm |
Conform |
AOAC 986.15, 18th |
|
Hg |
<0.5ppm |
Conform |
AOAC 971.21, 18th |
|
Pesticide Residue |
|||
|
666 |
<0.2ppm |
Conform |
GB/T5009.19-1996 |
|
DDT |
<0.2ppm |
Conform |
GB/T5009.19-1996 |
|
Microbiology |
|||
|
Total Plate Count |
<1,000cfu/g |
Conform |
AOAC 990.12, 18th |
|
Total Yeast & Mold |
<100cfu/g |
Conform |
FDA (BAM) Chapter 18, 8th Ed. |
|
E. Coli |
Negative |
Negative |
AOAC 997.11, 18th |
|
Salmonella |
Negative |
Negative |
FDA (BAM) Chapter 5, 8th Ed. |
Our Certifications
Shaanxi Jiuyuan Biotechnology Co., Ltd. is a modern high-tech enterprise established in 2012, focusing on the research, development, production, and sales of plant extracts, health food ingredients, fruit and vegetable powders, food additives, and other products. The factory spans an area of over 70,000 square meters and features production lines, including plant extraction and fine extraction workshops. The production process is strictly operated following GMP operating specifications.
Production and operation licenses, cGMP, ISO9001 quality management system certification, ISO22000 food safety management system, HACCP certification, U.S. FDA inspection certification, halal certification, Kosher certification, etc. In the field of plant extracts, Jiuyuan complies with relevant standards and requirements throughout the production, development, and sales processes.

JIUYUAN BIOTECH's Resveratrol Production Advantages
1. We strictly screen raw materials to ensure that the knotweed plant grows in the best environment, without pollution, to ensure the purity and high quality of the raw materials.
2. Use industry-leading extraction technology to ensure the extraction efficiency and purity of resveratrol while retaining its biological activity to the maximum extent.
3. Implement a strict quality control system, from raw materials to finished products; every link is strictly tested and monitored.
4. Provide customized services, adjust product specifications and formulas according to the specific needs of customers to meet the needs of different markets and customers.
5. Our products have obtained several international certifications and qualifications, which not only prove the high standards of our products but also provide a solid foundation for the expansion of the global market.

Polygonum cuspidatum benefits

Polygonum Cuspidatum Root Extract for Skin
The antioxidant capabilities of resveratrol and rhamnolide include LDL cholesterol oxidation and lipid peroxidation.

Enhance memory and cognition
May enhance age-related cognitive decline, including attention management, memory, and processing speed.

Avoid heart and liver damage
By reducing fat peroxidation, it can reduce hepatic triglyceride and cholesterol deposition and boost aspartate and alanine aminotransferases.

Cardiovascular effects
It dilates blood arteries, inhibits platelet aggregation, improves microcirculation, protects the endothelium, and lowers blood pressure.

Low-lipid effect
Polygonum cuspidatum extract resveratrol and glycosides significantly decrease blood cholesterol and triglycerides.

Microbial antipathogenicity
It strongly inhibits Staphylococcus, Streptococcus, and viruses.
Main Application Industries

Medical field

Polygonum cuspidatum supplement

Cosmetic industry

Food industry
FAQ
Q: Do you offer shelf-life certification with third-party lab testing and stability data?
A: Yes. To keep your product effective, we give third-party confirmed stability reports (including 24-month accelerated shelf-life testing) and microbiological safety profiles (total plate count, yeast/mold, etc.)
Q: How does your supply chain prevent disruptions?
A: We source raw Polygonum cuspidatum from Chinese and EU farmers and use redundant extraction facilities. To reduce harvest and logistical risks, we stock important SKUs with 6-month safety stock.
Best Supplier of Polygonum Cuspidatum Extract Resveratrol
1. Modern high-tech enterprise: JIUYUAN BIOTECH was established in 2012. It is a modern high-tech enterprise integrating the research and development, production, and sales of plant extracts, health food raw materials, fruit and vegetable powders, feed additives, etc.
2. Professional R&D and production capabilities: The company has two production lines of plant extraction and refined extraction workshops, covering an area of more than 70,000 square meters. It focuses on product production and quality. The production of each link constitutes a set of refined, professional and systematic scientific processes. Quality management system.
3. Environmentally friendly extraction methods: JIUYUAN BIOTECH adopts environmentally friendly extraction methods, such as the green strategy of using deep eutectic solvents (DESs) to extract resveratrol. This method does not require the use of organic solvents, providing a simpler and more environmentally friendly method. alternative method.
4. Efficient extraction and conversion technology: The strategy developed by the company can successfully and efficiently convert polydatin in Polygonum cuspidatum into resveratrol. The optimized extraction conditions and reaction parameters can significantly increase the production of resveratrol.
5. Quality Control Analysis Center: JIUYUAN BIOTECH's quality control analysis center is equipped with advanced equipment such as ICP-MS, GC-MS, FTIR, HPLC, GC, UV, etc. to ensure product quality and stability. At the same time, it has established a strict quality assurance system to ensure The entire production process complies with cGMP and other standards.
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6. Real-time supervision and control: The company follows HACCP and GMP management principles, and the experienced QA and QC team ensures that the best quality products are always provided to customers through real-time supervision and control.
If you have any questions or need free samples, please send an email to: elsa.marketing@jiuybiotech.com
Here is our packaging:
As a professional manufacturer of plant extracts, we have strict control over the packaging process. We use high-quality packaging materials and design multi-layer packaging protection according to the characteristics of plant extracts. The inner layer uses food-grade sealed bags to ensure that the product is not damp and leak-proof; the outer layer uses sturdy corrugated boxes, which can effectively resist collision and extrusion during transportation. During the packaging process, we will also fill an appropriate amount of cushioning material to further reduce the shaking of the goods during transportation. At the same time, our packaging team has undergone professional training and strictly follows standardized procedures to ensure that every packaging link is accurate. In addition, we also cooperate with reputable logistics companies to track the transportation status of the goods throughout the process so as to promptly discover and deal with possible problems. We are confident that with professional packaging technology and rigorous logistics management, we can deliver the goods to you safely and intact.

About Our Transportation

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

BySea
Over300kg, Around 30 Days
Port-to-port service professional
clearance broker needed

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