Resveratrol glycosides

Piceid is a stilbenoid glucoside and is a major resveratrol derivative in grape juices. It can be found in the bark of the Sitka spruce (Picea sitchensis), hence its name. It can also be isolated from Japanese knotweed (Reynoutria japonica).

'''trans-Resveratrol-3-O-glucuronide''' is a metabolite of resveratrol and trans-resveratrol-3-O-glucoside (piceid).