Turmeric, gold among the spices. Turmeric is a plant that mostly grows in the Indian Subcontinent and Central Asia. Turmeric is the spice that gives curry its yellow color. India is known as the largest exporter and supplier of turmeric products. Turmeric Fingers (polished and unpolished). Turmeric Powder and Oleoresins are exported all over the world. Turmeric is exported in processed form as dry turmeric, fresh turmeric, turmeric powder, and oleoresin. Alleppey finger turmeric is best known for its highest content of curcumin which has anti-carcinogenic properties. Its bright yellow color has been preferred by spices importers in Europe and other continents.