Description
Product name:Polygonum Cuspidatum Extract
Active ingredients: Resveratrol
Specification: Resveratrol 20% 50%, 85% 98% and 99%
Use Part: Root
Appearance: White Fine Powder
Mesh size: 80 Mesh
Test Method: HPLC
Storage: Store in cool and dry area, keep away from moisture and strong light, heat.
Shelf life: Two years if properly stored.
Packing: 25kgs one drum
Sample: 10-20g
MOQ: 1KG
Payment: We recieve Paypal, West union and t/t in advance
Product name:Polygonum Cuspidatum Extract
Extract Part:Root
Extraction Type: Water/Enthanol
Particle size: 100% 80 mesh
Grade: Natural
Brand Name: JT
Place of Origin: Shaanxi, China (Mainland)
Polygonum sinensis (scientific name: Reynoutria japonica Houtt.): Polygonaceae, Polygonum genus perennial herb. The rhizome is thick and sloping. Stems erect, 1-2 m tall, stout, hollow, with distinct longitudinal ribs, small lobes, glabrous, scattered red or purplish red spots. Leaves broadly ovate or ovate-elliptic, 5-12 cm long, 4-9 cm wide, subglabrous, apically acuminate, base broadly cuneate, truncate or suborbicular, margin entire, sparsely pubescent, Both sides are glabrous, with small lobes along veins; petiole 1-2 cm long, with small sessile; sulcate membranous, oblique, 3-5 mm long, brown, longitudinally veined, glabrous, apically terete, marginless , often ruptured, early fall. Sepals funnelform, flowers pale green, achenes ovate, glossy dark brown, flowering from August to September, September-October results.
Produced in Shaanxi, Gansu, East China, Central China, South China, Sichuan and other places in China; North Korea and Japan also have distribution. Born in hillside shrubs, valleys, roadsides, and fieldside wetlands.
Certificate of Analysis
Product Name | Resveratrol | |
Plant Part | Polygonum cuspidatum | |
Analysis | Specification | Results |
Assay(HPLC) | Resveratrol≥98% | 98.95% |
Appearance | White or off white fine powder | Complies |
Moisture | ≤2.0% | 0.80% |
Ash | ≤1.0% | 0.52% |
Pesticide Residue | EP8.0 | Conforms |
Total Heavy Metals | ≤10ppm | Conforms |
As | ≤1ppm | Conforms |
Pb | ≤2ppm | Conforms |
Hg | ≤0.1ppm | Conforms |
Cd | ≤1ppm | Conforms |
Odor | Characteristic | Complies |
Particle size | 100%through 80 mesh | Complies |
Microbioiogical : | ||
Total of bacteria | ≤1000cfu/g | Complies |
Fungi | ≤100cfu/g | Complies |
Salmgosella | Negative | Complies |
Coli | Negative | Complies |
Storage Store in cool & dry place. Do not freeze. Keep away from strong light and heat. Shelf life 2 years when properly stored |
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