Turmeric (Curcuma longa) is a perennial herb, in the ginger family, native to southern Asia. Its dried and powdered rhizome is an omnipresent spice in Indian cuisine, it is one of the main ingredients of certain curries, to which it gives its yellow color. Traditions in India (Ayurvedic medicine), China, Japan, Thailand and Indonesia have used turmeric for a long time to relieve digestive disorders, the liver and many other everyday ailments . For twenty years, scientific studies have confirmed the interest of this plant.