Kingherbs offer China Resveratrol

Latin name: Polygonum cuspidatum
Chinese name: Hu Zhang
Genus: Polygonum
Family: Polygonaceae
Plant original: Polygonum Cuspidatum Sieb.
Part used: Rhizome
Specification: Resveratrol 1%--98% Test By HPLC
CAS:501-36-0
Molecular weight: 228.24
Mecular formula: C14H12O3
Active ingredient:Trans-Resveratrol
Appearance: white fine powder
Odour:special

Polygonum most grows in ravine, by the river and in shady-warm places under trees, mainly distributed in the south of Changjiang River, Shan'xi, Henan and Shandong provinces in China.The protophyte of Polygonum is regarded as rhizome and root of Polygonum cuspidatum Sieb. et Zucc., perennial herbaceous, being one of the Chinese medicinal herbs most in use in ancient China.

Shape
Perennial herbaceous, with height 1 to 1.5m. Rhizome lays across underground, in yellow color. Stem is coarse & strong, straight, with no hairs on the surface, and small flower in pale or light pale-green color.
Kingherbs offer China Resveratrol