Complaint
Giant knotweed extract
Product Name: Giant knotweed extract
Latin Name: Polygonum cuspidatum Sieb. et Zucc L
Plant Source: root
Specification: Resveratrol 20%,50%,80%,99%
Appearance: brown yellow powder
Test Method: HPLC
Particle size: 100% pass 80 mesh
Fuction:
1, Antipyretic and analgesic effects
2, Anti-cancer, anti-mutation ability
3, Prevent heart and liver damage
4, Antithrombotic function
5, Improve immune system activity in wound treatment
Application:
1) Applied in food field,it's used as food additive with the function of lengthening life
2) Applied in pharmaceutical and healthcare products field,it's frequently used as medicine supplement or OTCS ingredients and owns good efficacy for treatment of cancer and cardio-cerebrovascular disease.
3) Applied in cosmetics,it's can delay aging and prevent UV radiation.
| Item | Specification (in-house) | Results | Methods |
| Marker compound | Resveratrol 50% | 50.362% | HPLC |
| Marker compound | Emodin <5% | 3.76% | HPLC |
| Appearance & Color | Yellow Brown | Conform | GB5492-85 |
| Odor & Taste | Characteristic | Conform | GB5492-85 |
| Plant Part Used | Root | Conform | |
| Extract Solvent | Ethanol | Conform | |
| Bulk Density | 0.4-0.6g/ml | 0.50-0.53g/ml | |
| Mesh Size | 80 | 100% | GB5507-85 |
| Loss on Drying | ≤5.0% | 3.41% | GB5009.3 |
| Ash Content | ≤5.0% | 2.32% | GB5009.4 |
| Solvent Residue | Negative | Conform | GC(2015 E) |
| Heavy Metals | |||
| Total Heavy Metals | ≤10ppm | <3.0ppm | AAS |
| Arsenic (As) | ≤1.0ppm | <0.5ppm | AAS(GB/T5009.11) |
| Lead (Pb) | ≤1.5ppm | <0.5ppm | AAS(GB5009.12) |
| Cadmium | <1.0ppm | Not Detected | AAS(GB/T5009.15) |
| Mercury | ≤0.3ppm | Not Detected | AAS(GB/T5009.17) |
| Microbiology | |||
| Total Plate Count | ≤1000cfu/g | <100 | GB4789.2 |
| Total Yeast & Mold | ≤25cfu/g | <10 | 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 | ||
