| Certification: | ISO, HACCP, Kosher Halal |
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| Assay Method: | HPLC, UV, Tlc Gc |
| Application Form: | Tablet, Capsule, Pills |
| Application: | Health Care Products, Medicine |
| State: | Powder |
| Extract Source: | Root |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier Polygonum Cuspidatum Extract / Giant Knotweed Extract
Description:
Resveratrol is a naturally occurring phytoalexin produced by some higher plants in response to injury or fungal infection. Phytoalexins are chemical substances produced by plants as a defense against infection by pathogenic microorganisms, such as fungi. Alexin is from the Greek, meaning to ward off or to protect. Resveratrol may also have alexin-like activity for humans. Epidemiological, in vitro and animal studies suggest that a high resveretrol intake is associated with a reduced incidence of cardiovascular disease, and a reduced risk for cancer.
Certificate of Analysis:
| Item | Specification | Results | Methods |
| Maker Compound | Resveratrol 40% | Conform | HPLC |
| Appearance & Color | Brown Powder | Conform | GB5492-85 |
| Odor & Taste | Characteristic | Conform | GB5492-85 |
| Plant Part Used | Root | 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% | 3.05% | GB5009.3 |
| Ash Content | ≤5.0% | 2.75% | GB5009.4 |
| Solvent Residue | Negative | Conform | GC(2005 E) |
| Heavy Metals | |||
| Total Heavy Metals | ≤10ppm | <3.25ppm | AAS |
| Arsenic (As) | ≤1.0ppm | <0.35ppm | AAS(GB/T5009.11) |
| Lead (Pb) | ≤1.5ppm | <0.46ppm | 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 | ≤10000cfu/g | <1000cfu/g | GB4789.2 |
| Total Yeast & Mold | ≤1000cfu/g | <100cfu/g | GB4789.15 |
| E. Coli | ≤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 Year | ||
Function:
1. Anti-cancer
2. Effect on cardiovascular system
3. Antibacterial and antifungal
4. Nourish and protect liver
5. Antioxidant and quench free-radicals
6. Impact on the metabolism of osseous issue
1.Applied in the food field,
2.Applied in the health product field
3.Applied in the pharmaceutical field
Suppliers with verified business licenses
Audited Supplier 
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