Certification: KOSHER, HACCP, ISO
Place of Origin: China
Giant Knotweed Rhizome is the dry rhizome and root of Polygonum cuspidatum Sieb. et Zucc. Harvest at spring and autumn every year, and remove the fibrous root, make it clean, and then cut it into short pieces or junks, open-air drying.
CAS No.: 501-36-0
Studies suggest that resveratrol has anti-atherosclerotic activity and that it might have some immune-stimulating and anti-cancer effects. Human studies are few in number and inconclusive due to short duration and poor design.