Giant knotweed extract

Resveratrol 25% 50% 98% Polygonum cuspidatum extract Emodin can be controlled to less than 2%

Resveratrol Product Activities- Extended Lifespan- Treatment for liver injury- Treatment for dermatomycosis - Reduce the risk of atherosclerosisInstruction for Raw Material

Botanical name:          Polygonumcuspidatum Sieb. et Zucc.

Country of origin:         East Asia Countries 

Part of the plant use:   Rootand stem

Description:  Perennial fruticose herbage plant, the hollow stemis height of 1.5~2 m in average, and with red or fuchsia spot on thesurface. The leaves are broad oval with a truncated base, 7~14 cm long and5~12 cm broad, with an entire margin. The panicle is axillary, and the dioeciousflower has 5 calyxes, comb shaped style; the achene is oval shaped with 3 edges.Florescence is from June to July, and the fruit period is from September toOctober.

Traditional use of the plant: The roots of Polygonumcuspidatum are used intraditional Chinese herbal medicines as a natural laxative. The activeprinciple responsible for the laxative effect is emodin, present in its naturalform as a complex of its analogs.

Giant knotweed extract