... Miao medicine in Guizhou Product name Valerianextruct /Valerian oil Plant Resource Root and rhizome of Valeriana officinalis ... The chemical composition of valerian includes sesquiterpenes of the volatile oil (including valeric acid), iridoids (valepotriates), alkaloids, furanofuran ... in Europe, Asia, North America, and Australia; as documented in Greek, Anglo-Saxon, Medieval, and Renaissance texts. ...