Stilbenoid glycosides

Astringin is a stilbenoid, the 3-β-D-glucoside of piceatannol. It can be found in the bark of Picea sitchensis and Picea abies (Norway spruce).

Rhaponticin is a stilbenoid glucoside compound. Its aglycone is called rhapontigenin. It can be found in rhubarb rhizomes.

chemical compound