Polygonum Cuspidatum Extract
Produced from the dried rhizome of Polygonum cuspidatum Sieb. et Zucc. through continuous counter-current extraction, purification and drying, a brown-yellow fine powder with a resveratrol content of 50% and above (specifications from 20% to 99% available), tested by HPLC. Supported by more than 4,000 mu of self-owned Polygonum cuspidatum planting base and an annual processing capacity of 6,000-7,000 tons, the company is one of the major manufacturers of Giant Knotweed Extract in China. Packing: 25 kg fibre drum with double polyethylene liner; Storage: sealed in a cool, dry place.
