Polygonum Cuspidatum (also known as Hu Zhang or Japanese Knotweed) is a plant used for medicinal purposes. Its roots are used to treat conditions of the heart and blood vessels, as well as for digestion problems.
Available in 50-98% Resveratrol, 50-98% Emodin, and 50-98% Polydatin
Country of Origin: China
Characteristic Typical Analysis
- Description: Brown/yellow powder
- Sieve Analysis 95% pass 80 mesh
- Moisture Content: NMT 5.0%
- Ash: NMT 5.0%
- Arsenic: NMT 2ppm
- Cadmium: NMT 1ppm
- Lead: NMT 2ppm
- Mercury: NMT 0.5ppm
- Heavy Metals: 20ppm Max
Storage: Store in a well-closed place with constant low temperature and no direct sun light.