polygonum cuspidatum

Polygonum cuspidatum extract
English name: Polygonum cuspidatum extract
Plant source: Dry rhizomes of Polygonum cuspidatum sieb.et zucc, a perennial shrubby herbaceous plant in the Polygonaceae family.
Physical properties: This product is a brown, almost white fine powder; Special flavor, light taste
Chemical composition: This product is mainly composed of Resveratrol and Emodin
Available specifications:
Resveratrol 3% -98%
Resveratrol (Granular) 3% -98%