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Comext Fssc China Factory Free Sample HPLC 50% 98% Natural Herbal Polygonum Cuspidatum Plant Giant Knotweed Extract Powder Antioxidant Resveratrol for Skin Care
Overview Product Description Giant knotweed is widely grown throughout Japan and is foraged as a wild edible vegetable.
Basic Info
| Model NO. | Resveratrol |
| Botanical Name | Polygonum Cuspidatum |
| Appearance | Yellow Brown to off White Powder |
| Used Part | Rhizome |
| Active Ingredient | Natural Resveratrol |
| Standard | Meet USP/Ep |
| Function | Natural Antioxidant |
| Us Warehouse | According to Your Demand |
| Sample | 10-20g Free Samples |
| Solvent Residue | <5000ppm |
| PAHs | <50ppb |
| Identification | Conform with Standard |
| Transport Package | 25kg/Drum |
| Specification | 50% 98% Resveratrol |
| Trademark | Comext |
| Origin | China |
| HS Code | 130219 |
| Production Capacity | 10t Per Month |
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.
| Item | Specification |
| General Information | |
| Products Name | Giant Knotweed Extract |
| Botanical Name | Polygonum Cuspidatum |
| Part Used | Rhizome |
| Physical Control | |
| Appearance | Yellow-brown to off white powder |
| Identification | Conform with standard |
| Odor&Taste | Characteristic |
| Loss on Drying | ≤5.0% |
| Ash | ≤5.0% |
| Particle Size | NLT 95% Pass 80 Mesh |
| Chemical Control | |
| Resveratrol | 50% 98% HPLC |
| Total Heavy Metals | ≤10.0ppm |
| Lead(Pb) | ≤3.0ppm |
| Arsenic(As) | ≤2.0ppm |
| Cadmium(Cd) | ≤1.0ppm |
| Mercury(Hg) | ≤0.1ppm |
| Solvent residue | <5000ppm |
| Pesticide residue | Meet USP/EP |
| PAHs | <50ppb |
| BAP | <10ppb |
| Aflatoxins | <10ppb |
| Microbial Control | |
| Total Plate Count | ≤1,000cfu/g |
| Yeast&Molds | ≤100cfu/g |
| E.Coli | Negative |
| Salmonella | Negative |
| Stapaureus | Negative |
| Packing and Storage | |
| Packing | Packing in paper-drums and double food-grade PE bag inside. 25Kg/Drum |
| Storage | Store in a well-closed container away from moisture and direct sunlight, room temperature. |
| Shelf Life | 2 years if sealed and stored properly. |
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