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| Customization: | Available |
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| Certification: | ISO, FDA |
| Assay Method: | HPLC, UV |
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Resveratrol is an anthraquinone terpene compound, primarily derived from the rhizome extract of *Polygonum cuspidatum* Sieb. et Zucc. It is a non-flavonoid polyphenol compound considered a phytoalexin, produced when plants are attacked by pathogens or subjected to environmental degradation.
| Product Name | Polygonum Cuspidatum Powder Extract | Test Method | HPLC |
| Latin Name | Polygonum cuspidatum | Part Used | Root |
| Specification | 10%, 98% Trans Resveratrol | Appearance | Light Powder |
| Active Ingredient | Resveratrol | Function | Antioxidant |
Antioxidant Properties:
Resveratrol is a powerful antioxidant that helps protect cells from oxidative damage caused by free radicals. It neutralizes these harmful molecules and may reduce the risk of chronic diseases associated with oxidative stress, such as heart disease, cancer, and neurodegenerative disorders.
Cardiovascular Health:
Resveratrol has been extensively studied for its potential cardiovascular benefits. It may help improve heart health by reducing inflammation, lowering LDL cholesterol levels, promoting blood vessel dilation, and preventing the formation of blood clots. These effects may contribute to a reduced risk of heart disease and stroke.
Anti-Aging Effects:
Resveratrol has been associated with potential anti-aging effects. It activates proteins called sirtuins, which are involved in cellular metabolism and longevity. By activating these proteins, resveratrol may help delay the aging process and improve overall health and lifespan.
Neuroprotective Effects:
Research suggests that resveratrol may have neuroprotective properties, making it potentially beneficial for brain health. It may help protect neurons, reduce the risk of neurodegenerative diseases like Alzheimer's and Parkinson's, and improve cognitive function.
Potential Anti-Cancer Properties:
Resveratrol has shown promise in inhibiting the growth of cancer cells and preventing the formation of tumors in various types of cancer. It may interfere with cancer cell division, induce apoptosis (cell death), and have anti-inflammatory effects that contribute to its potential anti-cancer activity.
| CERTIFICATE OF ANALYSIS |
| Analysis Item | Specification | Analysis Result | Method | |||||
| Appearance | Off White Powder | Complied | ||||||
| Visual | ||||||||
| Odour | Characteristic | Characteristic | Organoleptic | |||||
| Taste | Characteristic | Characteristic | Organoleptic | |||||
| Loss on drying (%) | ≤5.0 | 0.11 | USP | |||||
| Particle Size | 100%Through 80 mesh | 100% | USP < 786 > | |||||
| Part Used | Whole | Complied | N/A | |||||
| Method of Extraction | Soak and Extraction | Complied | N/A | |||||
| Extraction Solvents | Food Grade Water&Alcohol | Complied | N/A | |||||
| Identification | Complies by TLC | Complied | TLC | |||||
| Assay Resveratrol (%) | ≥ 98% | 98.20% | HPLC | |||||
| Heavy Metal Analysis | ||||||||
| Residual solvent ethanol | <5000ppm | <10ppm | GC | |||||
| Lead (Pb) | ≤2.0ppm | Complied | ICP-OES(CQ-MO-247) | |||||
| Arsenic (As) | ≤2.0ppm | Complied | ICP-OES(CQ-MO-247) | |||||
| Mercury (Hg) | ≤0.1ppm | Complied | ICP-OES(CQ-MO-247) | |||||
| Cadmium (Cd) | ≤1.0ppm | Complied | ICP-OES(CQ-MO-247) | |||||
| Microbial Analysis | ||||||||
| Total Plate Count (CFU/g) | ≤1,000 | Complied | FDA-BAM | |||||
| Yeast and Moulds (CFU/g) | ≤100 | Complied | FDA-BAM | |||||
| Coliforms (MPN/g) | Not detected | Not detected | FDA-BAM | |||||
| E. Coli (/g) | Not detected | Not detected | FDA-BAM | |||||
| Salmonella (/25g) | Not detected | Not detected | FDA-BAM | |||||
| Staphylococcus(/25g) | Not detected | Not detected | FDA-BAM | |||||
Delivery:Sea/Air Shipping & International Express
Shipping Time:Within a week after payment
Package: 1-5kg/Aluminum foil bag, size: 22cm (Width)*32cm (Length)
15-25kg/Drum, size: 35cm (Diameter)*51cm (Height)
Storage: Kept away from strong light and heat.
Shelf Life: 24 months
1.Free sample
2.Owning cultivation base as 100% Natural material stable source.
3.Manufacturer direct supply, Powerful R&D team and advanced test center
4.OEM & ODM is available
Nanjing NutriHerb BioTech Co., Ltd. is a professional manufacturer specializing in high-quality plant extracts. We integrate R&D, production, and sales, providing reliable natural ingredients for nutrition, pharmaceutical, cosmetic, and functional food industries.
We operate GAP-standard planting bases and apply advanced technologies, including supercritical CO2 extraction, to ensure high purity and stable quality. Our factory follows GMP and ISO standards with complete quality testing to guarantee batch consistency and safety.
We also offer flexible OEM/ODM services, including capsules, tablets, softgels, granules, and private label solutions. NutriHerb is committed to delivering safe, effective, and natural ingredients, and we welcome global partners to build long-term cooperation with us.
Q1: Can I get some samples?
A1: Yes. We usually provide 20-50g samples free of charge.
Q2: What is your MOQ?
A2: Our MOQ is flexible. Trial orders of 1-10kg are acceptable, and the standard MOQ for formal orders is 25kg.
Q3: How long is the production and delivery time?
A3: The lead time is about one week after payment is confirmed. Lead times for customized products can be discussed further.
Q4: How do you deliver the goods?
< 50kg: shipped by FedEx, DHL, or other express couriers
≥ 100kg: shipped by air
≥ 100kg: shipped by sea
We can also arrange shipping according to your preference.
Q5: What is the shelf life of your products?
A5: The shelf life is 24-36 months, as stated on the COA.
Q6: How can I pay for my order?
A6: We accept T/T in advance, L/C, D/P, or other terms upon negotiation.
Q7: How do you control product quality?
A7: Our products undergo strict quality control throughout the entire process, including inspection by the National Commodity Inspection & Testing Bureau, accredited third-party labs, our internal QA team, and certifications such as ISO, Halal, and Kosher.
Q8: Do you accept ODM or OEM services?
A8: Yes. We provide ODM and OEM services for softgels, capsules, tablets, sachets, granules, private label products, and more. Contact us to design your own branded product.
