What is Polygonum Cuspidatum Extract?
Extracted from the roots of Polygonum cuspidatum plants, Polygonum Cuspidatum Extract functions as a powerful botanical substance in the scientific field under the name Japanese Knotweed Extract. Health and wellness industries evaluate it positively because it contains dense natural polyphenols, including resveratrol, together with emodin, flavonoids, and other beneficial compounds. Scientists repute the antioxidant-based anti-inflammatory capability, which finds regular application in dietary supplements for heart health protection, immune system enhancement, and cellular vitality improvement. Resveratrol, which makes up this substance, protects human bodies against oxidative stress while providing anti-aging benefits. The extract helps sustain metabolic stability and supports joint function as well as liver wellness. Skin and cosmetic applications incorporate it to create soothing products that revitalize skin appearance by stabilizing skin tone toward improving texture, and defending against environmental aggressors.

COA
| Item | Specification | Result |
| Appearance | White fine powder | Conforms |
| Odor & Taste | Characteristic | Conforms |
| Assay (Resveratrol) | ≥ 98.0% (HPLC) | 98.60% |
| Mesh Size | 95% pass 80 mesh | Conforms |
| Loss on Drying | ≤ 2.0% | 0.72% |
| Residue on Ignition | ≤ 1.0% | 0.31% |
| Heavy Metals | ≤ 10 ppm | <10 ppm |
| Lead (Pb) | ≤ 2 ppm | <2 ppm |
| Arsenic (As) | ≤ 1 ppm | <1 ppm |
| Cadmium (Cd) | ≤ 1 ppm | <1 ppm |
| Mercury (Hg) | ≤ 0.1 ppm | <0.1 ppm |
| Microbial Limit | ||
| Total Plate Count | ≤ 1,000 CFU/g | <100 CFU/g |
| Yeast & Mold | ≤ 100 CFU/g | <10 CFU/g |
| E. coli | Negative | Negative |
| Salmonella | Negative | Negative |
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Product Specifications of Kingsci
The standardized knotweed extract product provided by Kingsci contains high-purity Resveratrol content measured by HPLC (High-Performance Liquid Chromatography), which can be obtained at either 50% or 98% concentrations. The specifications exist for satisfying three different industrial sectors: pharmaceuticals, cosmetics, and nutraceuticals.
The 50% Resveratrol extract provides perfect active compound balance and additional natural phytochemical synergies from Polygonum Cuspidatum plant for product formulations. This extracted variant of this substance functions as a main ingredient in supplements designed to support basic bodily functions and defend against damage while balancing metabolism.
The 98% Resveratrol extract provides researchers with an exceptionally pure compound preparation that suits applications requiring maximum active ingredient strength and precise measurements in premium supplements. Product types such as capsules, tablets, softgels, powders, and serums can easily accept this pure Resveratrol formulation due to its high level of consistency and potency.
Market Trends
The market outlook for Japanese Knotweed Extract shows considerable promise because of escalating worldwide demand for natural plant-based substances used in health and wellness products, especially when standardized with Resveratrol at 50% and 98% HPLC. Consumers today demand preventative healthcare along with anti-aging products and antioxidant supplements, leading to the increased popularity of resveratrol-based supplements in the market. The rising functional food and cosmetic businesses need botanical ingredients with high effectiveness while meeting clean-label requirements which accelerates this trend. The steady market growth projection of Polygonum Cudipatum Extract is driven by scientific evidence and broad application scope and market demand for sustainable natural ingredients making it a vital choice for business leaders in product manufacturing.
Benefits
1. Powerful Antioxidant Support
The extract's high concentration of resveratrol protects body cells from damage caused by free radicals and helps maintain a healthy and vital cellular state.
2. Promotes Cardiovascular Wellness
The cardiovascular benefits of resveratrol emerge when the compound contributes to wholesome cholesterol management and elastic vascular systems beneficial for heart operation.
3. Supports Healthy Aging
The body benefits from age-related oxidative damage protection due to antioxidants in the extract, which makes it widely used in anti-aging supplements and skincare formulations.
4. Boosts Immune Function
Natural bioactive compounds in the extract work to enhance body resistance while helping maintain defense capabilities against infections.
5. Enhances Skin Health
Environmentally-caused skin damage appears diminished by the extract which also enhances skin texture alongside toning effects and firming properties in topical solutions.
6. Supports Metabolic Balance
Research studies have evaluated Polygonum Cuspidatum Root Extract to determine how it aids blood sugar regulation, but only within the context of a complete healthy lifestyle.
7. Anti-inflammatory Properties
The extract's natural phytochemical components enable the body to manage inflammatory processes while providing comfort to joints and increased wellness.

Application
1. In the nutraceutical industry
Resveratrol exists in dietary supplements because consumers use it to protect their antioxidants while maintaining heart health, boosting their immune system, and slowing signs of aging.
2. In the cosmetic and skincare sector,
Scientists make use of Polygonum Cuspidatum Resveratrol in anti-aging creams, lotions, and serums to apply its nourishing, protective, and skin-soothing benefits against environmental impacts.
3. In the functional food and beverage industry
This ingredient finds its application in health drinks, powders, and fortified foods because it brings nutritional value together with increased wellness appeal.
4. In the pharmaceutical and natural medicine field
The pharmaceutical industry uses this compound as a key ingredient in anti-inflammatory and metabolic balance formulations.
Certifications

American warehouse

Exhibitions

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