Yellow root or turmeric or turmeric is a native plant. It strengthens the digestive function, improves all metabolic processes and accelerates the production of insulin. It gives a yellow color to foods such as cosani yolk, mainly to rice but also to sauces, couscous and is often found in meats, chickens, lentils, fava beans and potatoes. It is a key ingredient in curry mix and tandoori.