Black turmeric contains the highest concentrations of curcumin of any plant species. It is a powerful antioxidant and anti-inflammatory. The root has been used medicinally for centuries to treat arthritis, asthma, and epilepsy. Black turmeric root is crushed and can be applied to bruises and sprains to ease discomfort or applied to the forehead to help relieve symptoms of migraines.
The rhizome of the plant is aromatic, contains essential oil and used for a variety of purposes. The characteristic pungent smell of the rhizome is due to the presence of essential oil rich in camphor and starch.
The rhizome is traditionally used in the treatment of hemorrhoids, leprosy, asthma, cancer, fever, wounds, vomiting, menstrual disorder, anthelmentic, aphrodisiac, gonorrheal discharges and inflammation. Furthermore, the smooth muscle relaxant, anti-tumour and anti-oxidant properties of Curcuma Caesia rhizome extract had been reported.