| Customization: | Available |
|---|---|
| Certification: | ISO, FDA |
| Assay Method: | HPLC |
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Derived from the renowned Japanese Knotweed plant, our Polygonum cuspidatum extract is a treasure trove of resveratrol-a powerful antioxidant celebrated for its incredible anti-aging, remarkable anti-inflammatory, and exceptional cardiovascular benefits. This extract is a cornerstone in the formulation of nutritional supplements, luxurious cosmetics, and innovative functional foods. Our esteemed product is sourced from premium plants and crafted using a meticulous ethanol extraction process to preserve its unparalleled purity and potency. Available in the popular 50% and 98% resveratrol concentrations , this extract is presented as a delicate light-brown powder with a subtle, earthy aroma. Our clientele predominantly integrates it into supplements (50-500 mg/day) and cosmetics (0.1-1%). Our product distinguishes itself through unwavering quality assurance and state-of-the-art processing techniques, ensuring peak effectiveness in every single batch.
COA
| Test Items | Specifications | Results | Test Method & Reference |
|---|---|---|---|
| Appearance | White or off-white fine powder | Conforms | Visual Inspection |
| Identification (HPLC) | Retention time matches standard | Conforms | HPLC, USP <621> |
| Assay (HPLC) | ≥98.0% | 98.5% | HPLC, USP <621> |
| Loss on Drying | ≤0.5% | 0.21% | USP <731> |
| Residue on Ignition | ≤0.1% | 0.03% | USP <281> |
| Heavy Metals | ≤10 ppm | <10 ppm | ICP-MS, USP <233> |
| Arsenic (As) | ≤1.0 ppm | <0.1 ppm | ICP-MS, USP <233> |
| Lead (Pb) | ≤1.0 ppm | <0.1 ppm | ICP-MS, USP <233> |
| Cadmium (Cd) | ≤0.1 ppm | <0.05 ppm | ICP-MS, USP <233> |
| Mercury (Hg) | ≤0.1 ppm | <0.05 ppm | ICP-MS, USP <233> |
| Particle Size | 95% pass 80 mesh | Conforms | Sieve Analysis, USP <786> |
| Microbial Count | ≤1,000 CFU/g | <100 CFU/g | USP <2021> |
| Yeast & Mold | ≤100 CFU/g | <10 CFU/g | USP <2021> |
| E. coli | Negative | Negative | USP <2022> |
| Staphylococcus aureus | Negative | Negative | USP <2022> |
| Residual Solvents | Meets ICH Q3C guidelines | Conforms | GC, USP <467> |
FAQ
Q: What is Polygonum cuspidatum extract?
A: This extract is harvested from the Japanese Knotweed plant, offering a rich source of resveratrol, a potent antioxidant esteemed for its anti-aging and health-boosting properties.
Q: What are the main benefits of Polygonum cuspidatum extract?
A: It enhances cardiovascular well-being, mitigates inflammation, and delivers impressive anti-aging advantages.
Q: What is the most common form of Polygonum cuspidatum extract?
A: Predominantly available in powdered form, this extract is offered in various concentrations, notably 50% and 98% resveratrol.
Q: How is Polygonum cuspidatum extract processed?
A: The extract undergoes ethanol extraction, a meticulous process designed to ensure its purity and retain the advantageous properties of resveratrol.
Q: How is Polygonum cuspidatum extract used in products?
A: Incorporated widely in dietary supplements, high-end cosmetics, and functional foods, typical dosages range from 50 to 500 mg/day in supplements.
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