Audited Supplier
Natural Ingredients Grape Skin and Polygonum Cuspidatum Extract 98% White Resveratrol Powder
- Product No.: OHI-000238
- CAS No.: 501-36-0
- Active Ingredient:Resveratrol/ Trans-Resveratrol
- Specification: 50% 98% 99%
- Test Method: HPLC
Molecular formula: C14H12O3
Molecular weight: 228.24
CAS No.: 501-36-0
Melt Point: 253°C~257°C
Solubility: Poor solubility in water, soluble in aether, chloroform, ethanol, acetic acid and acetone.
Appearance: Fine crystal powder
Color: White
Specific Rotation [α]: -77.5° (c=0.2, EtOH)
Molecular structure:
What is resveratrol:
Resveratrol (trans-3,5,4'-trihydroxystilbene), belongs to a class of polyphenolic compounds called stilbenes , found largely in the skins of red grapes and root of Polygonum cuspidatum Sieb. et Zucc ( Japanese knotweed), is a component of Ko-jo-kon, an oriental medicine used to treat diseases of the blood vessels, heart and live.. Resveratrol is a fat-soluble compound that occurs in a trans and a cis configuration (see figure 1). Both cis- and trans-resveratrol also occur as glucosides (bound to a glucose molecule). Resveratrol-3-O-beta-glucoside is also called piceid.
1.Anti-oxidation, anti-free radical
2.Prevention and treatment of cancer;
3.Anti-aging
4.Anti-radiation, protecting the cell;
5.Weight loss ,Beauty
6.Bacteriostatic, clean virus
7.Improve sleep, Reduce Blood Prees
Certificate of Analysis
Items | Specification |
Appearance | White Fine Powder |
Oder | Characteristic |
Taste | Characteristic |
Paiticle size | Pass 80 mesh |
Loss on drying | ≤5% |
Heavy metals | <10ppm |
As | <1ppm |
Pb | <3ppm |
Assay | Result |
|
|
Total Plate Count | <10000cfu/g or <1000cfu/g(Irradiation) |
Yeast & Mold | <300cfu/g or 100cfu/g(Irradiation) |
E.Coli | Negative |
Salmonella | Negative |
Packaging:
Shipping:
- DHL Express, FEDEX and EMS for quantity less than 50KG, usually called as DDU service;
- Sea shipping for quantity over 500KG; and air shipping is available for 50KG above;
- For high value products, please select air shipping and DHL express for safe;
- Please confirm if you can make the clearance when goods reach your customs before placing an order, for buyers from Mexico, Turkey, Italy, Romania,Russia, and other remote area.
Lab:
Exhibition:
