Product Description:
Product Name: Polygonum Cuspidatum Extract
CAS NO.: 501-36-0
Molecular formula: C14H12O3
Molecular weight: 228.243
Extraction solvent:Ethyl acetate, Ethanol and water
Country of Origin: China
Irradiation: Non-irradiated
Identification: TLC
GMO: Non-GMO
Carrier/Excipients: None
Storage:Keep container unopened in cool, dry place.
Package: Inner packing: double PE bags, outer packing : drum or paper drum.
Net weight: 25KG/Drum, can be packed in according to your need.
Available Specification:
Resveratrol powder 5%-99%
Resveratrol granular 50% 98%
Polydation 10%-98%
Emodin 50%
Items |
Specifications |
Method |
Resveratrol | ≥50.0% | HPLC |
Emodin | ≤2.0% | HPLC |
Appearance | Brown fine powder | Visual |
Odor & Taste | Characteristic | Visual & taste |
Particle size | 100%Through 80 mesh | USP<786> |
Loose density | 30-50g/100ml | USP <616> |
Tapped density | 55-95g/100ml | USP <616> |
Loss on drying | ≤5.0% | GB 5009.3 |
Sulphated ash | ≤5.0% | GB 5009.4 |
Heavy metals | ≤10ppm | GB 5009.74 |
Arsenic (As) | ≤1ppm | GB 5009.11 |
Lead (Pb) | ≤3ppm | GB 5009.12 |
Pesticide residues | Meets the requirement | USP<561> |
Residual solvents | Meets the requirement | USP<467> |
Cadmium (Cd) | ≤1ppm | GB 5009.15 |
Mercury (Hg) | ≤0.1ppm | GB 5009.17 |
Total plate count | ≤1000cfu/g | GB 4789.2 |
Mould&Yeast | ≤100cfu/g | GB 4789.15 |
E.Coli | Negative | GB 4789.38 |
Salmonella | Negative | GB 4789.4 |
Staphylococcus | Negative | GB 4789.10 |
Health Care Product, Dietary Supplements, Cosmetics