We enjoy an extremely good status among our prospects for our great merchandise top quality, competitive price and the ideal service for Factory best selling Herbal Polygonum Cuspidatum Giant Knotweed Root Extract Resveratrol Powder 501-36-0 98% Resveratrol, Our company is working through the procedure principle of “integrity-based, cooperation created, people oriented, win-win cooperation”. We hope we can have a pleasant relationship with businessman from all around the earth.
We enjoy an extremely good status among our prospects for our great merchandise top quality, competitive price and the ideal service for China Resveratrol and Resveratrol Powder, For more than ten years experience in this filed, our company has gained high reputation from home and abroad. So we welcome friends from all over the world to come and contact us, not only for business, but also for friendship.
Resveratrol- (Polygonum cuspidatum extract)-was extracted from dried root & stem of Polygonum cuspidatum Sieb. et Zucc. To get the crude extract resveratrol50%, then dissolved in ethanol & water solvents and purified and recrystallized by resin to get the trans-Resveratrol 98% above on dried basis.
① Resveratrol Powder 50% HPLC
② Resveratrol Powder 98% HPLC
③ Trans-Resveratrol 98% HPLC
❶ Resveratrol can activate acetylase, anti-aging and prolong life .
❷ Prevention and treatment of cardiovascular diseases, control and reduce the risk of cardiovascular diseases.
❸ Resveratrol also has antibacterial, antioxidant, immunomodulatory, antiasthmatic and other biological activities.
❹Resveratrol has a significant inhibitory effect on melanoma cells,anti-cancer and anti-tumor activity.
Analysis Items | Specifications | Methods | |
Identifications | |||
A. HPTLC | Sample exhibits major bands similar in position and color to standard solution. | ||
B. HPLC | Retention time of the sample matches with the standard in HPLC purity test. | ||
Active Ingredients Tests | |||
Trans-Resveratrol | ≥98.00% | HPLC | |
Physical Tests | |||
Appearance | Off-white to white fine powder | Visual | |
Odor | Characteristic | Organoleptic | |
Taste | Characteristic | Organoleptic | |
Particle size | 95% pass 80mesh | CP2020 IV<0982> | |
Bulk-Tapped density | 0.4-0.6g/mL | CP2020 IV<0993> | |
Water content | ≤0.5% | CP2020 IV <0832> | |
Ash content | ≤0.5% | CP2020 IV <2302> | |
Chemical Tests | |||
Heavy Metals | ≤10.00ppm | CP2020 IV <0821> | |
Pb<Lead> | ≤2.00ppm | CP2020 IV <2321> | |
As<Arsenic> | ≤2.00ppm | CP2020 IV <2321> | |
Cd<Cadmium> | ≤1.00ppm | CP2020 IV <2321> | |
Hg<Total mercury> | ≤0.10ppm | CP2020 IV <2321> | |
Methanol residues | ≤500ppm | CP2020 IV <0861> | |
Ethanol residues | ≤1500ppm | CP2020IV <0861> | |
Microbiological Tests | |||
Total Bacteria Counts | ≤1,000cfu/g | GB/T4789.2 | |
Yeasts and Molds | ≤100cfu/g | GB/T4789.15 | |
E. Coli | Negative | GB/T4789.38 | |
Salmonella | Negative | GB/T4789.4 | |
* Statements: Allergen Free, Irradiated free, GMO free, Additives free. |
★ Customized specification and capsulation service is acceptable.
★ Standardized products, reasonable price, professional service is continuously provided.We enjoy an extremely good status among our prospects for our great merchandise top quality, competitive price and the ideal service for Factory best selling Herbal Polygonum Cuspidatum Giant Knotweed Root Extract Resveratrol Powder 501-36-0 98% Resveratrol, Our company is working through the procedure principle of “integrity-based, cooperation created, people oriented, win-win cooperation”. We hope we can have a pleasant relationship with businessman from all around the earth.
Factory best selling China Resveratrol and Resveratrol Powder, For more than ten years experience in this filed, our company has gained high reputation from home and abroad. So we welcome friends from all over the world to come and contact us, not only for business, but also for friendship.