... , antiviral, and anti-tumor. Valerian root P.E.Product Name:Valerian Root ExtractSource:dry root and rhizome of Valeriana officinalisL, Valerianaceae. ... Extracted from: root.Quality: Valerian acid: 0.4%; HPLCCharacteristics:tan ... , protected from light, avoid heat. Valerian root P.E., Valerian root Extract, Valerian root Powder,Valerian acid: 0.4%,