Turmeric indigenous to Sri Lanka ( Curcuma longa ) has the highest levels of curcumin content in the world at between 5 - 6 %. Turmeric has powerful anti-inflammatory effects and is a very strong antioxidant.Turmeric is the spice that gives your dishes yellow colour. Turmeric has been used in Ceylon for thousands of years as a spice and in Ayurveda