It is an antioxidant found in damiana, honey, fingerroot, and propolis. Some rhizomes that are used directly in cooking include ginger, turmeric, galangal, fingerroot, and lotus. Fingerroot is known as temu kunci in Indonesian. Fingerroot is a kind of ginger (Zingiberaceae). Fingerroot is also incorporated into tonic mixtures such as the famous Indonesian tonic "jamu".