Nar Kachur oil is a golden yellow viscous liquid that has a warm-spicy, woody and camphoraceous cineolic odor. It is extracted from the rhizomes of Curcuma zedoaria Rosc. by steam distillation process. It is very effective for digestive systems (used as gastrointestinal stimulant), preventing stress ulceration & as flavor and fragrance based usage applications. Curcuma zedoaria, a medicinal tuber plant belonging to this family, is a close relative of Curcuma longa from which the curcumin is isolated. Various parts of Curcuma zedoaria are used in Ayurveda and other folk and tribal system of medicines. Curcuma zedoaria is a constituent of a wide variety of ayurvedic preparations like Dasamularishtam, Valiya Rasnadi Kashayam, and so forth.

Plants of ginger family (Zingiberaceae) have been frequently and widely used as spices and in traditional systems of medicine practiced in many Asian countries, and their medicinal functions have been broadly discussed and accepted in many traditional recipes. The Zingiberaceae plants contain several volatile and essential oils including terpenoids, phenylpropanoids, flavonoids, and sesquiterpenes, which has reported antitumour activity. As plants of Zingiberaceae family are considered safe for human consumption, these species are excellent candidates for development of novel chemotherapeutics. Traditionally, curcuma drugs called “Ukon” and “Gajutsu” in Japanese have been used in oketsu syndromes (caused by the obstruction of blood circulation) in Chinese medicine. Various antineoplastic compounds have also been isolated from curcuma species.