| Certification: | ISO, HACCP, Kosher Halal |
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| Assay Method: | HPLC, UV, Tlc Gc |
| Application Form: | Tablet, Capsule, Pills,Softgel |
| Application: | Health Care Products, Medicine |
| State: | Powder |
| Extract Source: | Skin |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier Resveratrol Grape Skin Extract
Product Name : Resveratrol Grape Skin Extract
Plant Source: Grape Skin
Specification: Resveratrol 99%;50%;20%
Appearance: White Powder
Test Method: HPLC
Description:
Resveratrol (3,5,4'-trihydroxy-trans-stilbene) is a natural compound found in red grape skin, Japanese knotweed (polygonum cuspidatum), peanuts, blueberries and some other berries. It is a powerful antioxidant produced by some plants to protect them against environmental stresses. Antioxidants neutralize free radicals, which are believed to be the cause of aging. Japanese knotweed is the plant source with the highest resveratrol content.
Function:
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 Pressure
Application:
1. Applied in pharmaceutical field
2. Applied in cosmetics field.
3. Applied in health products field.
Services:
1. Any inquiries will be replied within 12 hours.
2. Dedication to quality, supply & service.
3. Strictly on selecting raw materials.
4. OEM/ODM Available.
5. Reasonable & competitive price, fast lead time.
6. Sample is available for your evaluation & Formulation development.
7. Faster delivery:Sample order in stock and 3-7 days for bulk production.
8. We have strong cooperation with DHL, TNT, UPS, FEDEX, EMS. Or you also can choose your own shipping forwarder.
9. After-Sale Service:
(1) International Authorized Third-Party Test For The Products You Demand.
(2) 60 Days Warranty of quality of goods.
Certificate of Analysis:
| Item | Specification | Results | Methods |
| Marker Compound | Resveratrol 99% | 99.22% Conform | UV |
| Appearance & Color | White Fine Powder | Conform | GB5492-85 |
| Odor & Taste | Characteristic | Conform | GB5492-85 |
| Plant Part Used | Skin | Conform | |
| Extract Solvent | Water | Conform | |
| Bulk Density | 0.4-0.6g/ml | 0.40-0.50g/ml | |
| Mesh Size | 80 | 100% | GB5507-85 |
| Loss on Drying | ≤5.0% | 3.25% | GB5009.3 |
| Ash Content | ≤5.0% | 1.35% | GB5009.4 |
| Solvent Residue | Negative | Conform | GC |
| Heavy Metals | |||
| Total Heavy Metals | ≤10ppm | <3.70ppm | AAS |
| Arsenic (As) | ≤1.0ppm | <0.45ppm | AAS(GB/T5009.11) |
| Lead (Pb) | ≤1.0ppm | <0.45ppm | AAS(GB5009.12) |
| Cadmium | <1.0ppm | Not Detected | AAS(GB/T5009.15) |
| Mercury | ≤0.1ppm | Not Detected | AAS(GB/T5009.17) |
| Microbiology | |||
| Total Plate Count | ≤5000cfu/g | <1000cfu/g | GB4789.2 |
| Total Yeast & Mold | ≤300cfu/g | <100cfu/g | GB4789.15 |
| Total Coliform | ≤40MPN/100g | Not Detected | GB/T4789.3-2003 |
| Salmonella | Negative in 25g | Not Detected | GB4789.4 |
| Staphylococcus | Negative in 10g | Not Detected | GB4789.1 |
| Packing and Storage | 25kg/drum Inside: Double-deck plastic bag, outside: Neutral cardboard barrel & Leave in the shady and cool dry place | ||
| Shelf Life | 3 Year When Stored properly | ||
| Expiration Date | 3 Years | ||
Suppliers with verified business licenses
Audited Supplier 
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