Customization: | Available |
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Certification: | ISO, Kosher, Halal, Organic, Fssc |
Assay Method: | HPLC |
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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. |