Giant Knotweed Extract

Product Name: Polygonum Cuspidatum L. Extract
Also called Giant Knotweed Extract
Latin Name: Rhiaoma Polygoni Cuspidati
Part Used: Root
Solvent Used:  Ethanol & Water 
Active Ingredient: Resveratrol, also called trans-resveratrol
Specification: 50%, 98%, 99%, 10% Water soluble
Test Method: HPLC
Appearance: Brown to white / off white fine powder
Packing size: 25kg/drum; 1kg/bag
Other Status: Natural Ingredient, No synthetic part, Non-GMO, Non-IR, Non-ETO, BSE Free.
Shelf Life: 2 years
Country of Origin: China
Sample Status: 10g free sample is available