Product Details
Place of Origin: China
Brand Name: Herbway
Certification: ISO9001, FSSC22000, HACCP, Kosher, HALAL, FDA
Model Number: HW-GKE-001
Payment & Shipping Terms
Minimum Order Quantity: 1KG
Price: Negotiable
Packaging Details: 1kg packed in Aluminium foil bag or 25kg packed in paper drums with two plastic bags inside
Delivery Time: 5-10 work days
Payment Terms: L/C, T/T, Western Union
Supply Ability: 20tons per month
Product Name: |
Giant Knotweed Extract |
Latin Name: |
Polygonum Cuspidatum |
Used Part: |
Rhizome |
Appearance: |
Yellow-Brown To Off White Powder |
Specification: |
98% Resveratrol |
Test Method: |
HPLC |
Shelf Life: |
2 Years |
Transport Package: |
1kg/Bag, 25kg/Drum |
Product Name: |
Giant Knotweed Extract |
Latin Name: |
Polygonum Cuspidatum |
Used Part: |
Rhizome |
Appearance: |
Yellow-Brown To Off White Powder |
Specification: |
98% Resveratrol |
Test Method: |
HPLC |
Shelf Life: |
2 Years |
Transport Package: |
1kg/Bag, 25kg/Drum |
Natural Herbal Polygonum Cuspidatum Plant Giant Knotweed Extract Powder 98% Resveratrol CAS No. 501-36-0
Product Description
Giant knotweed is widely grown throughout Japan and is foraged as a wild edible vegetable. The root of Polygonum cuspidatum, were widely used in traditional Chinese and Japanese medicine. It is also known to be a rich source of resveratrol, which is a natural polyphenol. Emodin, physcion, citreorosein, rhein, fallacinol, questin, phenylpropanoides , polyphenols, and tannins are major active components present in this root. It is a good source of reveratrol, and carotenoids that act as a potent antioxidant that minimizes the effect of harmful oxidative stress. It is good for the heart, and gastrointestinal tract health.
Certificate of Analysis
| Product and Batch Information | |||
| Product Name | Giant Knotweed Extract | Country of Origin | P. R. China |
| Botanic Name | Polygonum Cuspidatum | Type of extraction | Grain Alcohol |
| Plant Part | Rhizome | Manufacture Date | 2023/9/22 |
| Batch No | GKE-20230922 | Analysis Date | 2023/9/25 |
| Ananlysis | 500KG | Report Date | 2023/9/27 |
| Analysis Item Specification Result Test Method | |||
| Active Ingredeints | |||
| Trans-resveratrol | NLT98% | 98.09% | HPLC |
| Physical Control | |||
| Appearance | White Fine Powder | Complies | Visual |
| Odor | Characteristic | Complies | Olfactory |
| Sieve Analysis | 100% pass 80mesh | Complies | 80 mesh screen |
| Loss on Drying | 0.5% Max | 0.32% | USP32<561> |
| Ash | 0.5% Max | 0.39% | USP32<731> |
| Chemical Control | |||
| Arsenic (As) | NMT 2ppm | 0.09ppm | USP32<231> |
| Cadmium(Cd) | NMT 1ppm | 0.08ppm | USP32<231> |
| Lead (Pb) | NMT 0.5ppm | 0.05ppm | USP32<231> |
| mercury (Hg) | NMT0. 1ppm | 0.02ppm | USP32<231> |
| Residual solvents | Meet USP32 Requirments | Conforms | USP32<467> |
| Heavy Metals | 10ppm Max | Complies | USP32<231> |
| Residual pesticides | Meet USP32 Requirments | Conforms | USP32<561> |
| Microbiological Control | |||
| Total Plate Count | 10000cfu/g Max | Complies | USP34<61> |
| Yeast & Mold | 1000cfu/g Max | Complies | USP34<61> |
| E.Coli | Negative | Complies | USP34<62> |
| Staphylococcus | Negative | Conforms | USP34<62> |
| Staphylococcus aureus | Negative | Complies | USP34<62> |
| Packing and Storage | |||
| Packing | Pack in paper-drums and two plastic-bags inside. | ||
| Storage | Store in a well-closed container away from moisture. | ||
| Shelf Life | 2 years if sealed and store away from direct sun light. | ||
| Expiration Date | 2025/9/21 | ||
Company information
Changsha Herbway Biotech Co., Ltd was established in 2011, has more than 10 years' professional experience and committed to providing high quality&natural Chinese botanical extracts to domestic and international customers. Relying on high and new technology, making cooperation with famous scientific research institutions, HERBWAY has founded it's own factories, and built perfect application lab-facilities for testing and optimizing product properties. Guiding and improving production as well as R&D ability of own. The factories are equipped with GMP standard production lines and have passed the certificates of ISO9001, FDA, HACCP, Kosher, HALAL, FSSC22000. During the past 10 years, HERBWAY has successfully developed more than 200 kinds of standardized botanical extracts,with annual production capacity reaches more than 1000 tons.
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