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Product Name: Pterostilbene
Pterostilbene source：Pterostilbene is a natural analog of Resveratrol, which is one of the compounds thought to contribute to the “French Paradox” associated with red wine consumption.
Pterostilbene introduction：Pterostilbene is a stilbenoid chemically related to Resveratrol and is found in blueberries and grapes.Pterostilbene is a double-methylated version of Resveratrol exhibiting a higher bioavailability as it is more easily transported into the cell and more resistant to degradation and elimination. In rats, Pterostilbene's oral availability was about 12%, and its half-life 97 minutes.
Appearance: Brown red to Purple powder
Pterostilbene Specification: Pterostilbene 1%---20%
Molecular Weight: 256.30
Molecular Formula: C16H16O3
Pterostilbene Main benefits:
1. Protect and regenerate retinal purple (rhodopsin), and cure patients with eye diseases such as pigmentosa, retinitis, glaucoma, and myopia, etc.
2. Prevent the cardiovascular diseases;
3. Quench free radical, antioxidant, and anti-aging
4. A treatment for mild inflammation of the mucous membranes of mouth and throat
5. A treatment for diarrhea, enteritis, urethritis, cystitis and virosis rheum epidemic, with its antiphlogistic and bactericidal action
Pterostilbene specification
|
ANALYSIS |
SPECIFICATION |
RESULTS |
|
Assay |
Pterostilbene≥≥20% |
20.18 UV |
|
Pterostilbene Organoleptic & Physical Characteristics |
||
|
Appearance |
Purple Red Powder |
Complies |
|
Loss on Drying |
≤5% |
3.06% |
|
Extract Solvent |
Ethanol |
/ |
|
Irradiation |
Non- Irradiated |
/ |
|
Odor |
Characteristic |
Complies |
|
Particle Size |
100 mesh |
Complies |
|
Pterostilbene Heavy Metal |
||
|
Total Heavy Metal |
≤10ppm |
Complies |
|
Cu |
≤2ppm |
Complies |
|
Pb |
≤2ppm |
Complies |
|
As |
≤2ppm |
Complies |
|
Pterostilbene Microbiological Tests |
||
|
E.Coli |
Negative |
Negative |
|
Salmonella |
Negative |
Negative |
|
Total Plate Count |
≤1000cfu/g |
Complies |
|
Total Yeast & Mold |
≤100cfu/g |
Complies |
