Turmeric is a spice derived from the roots of the tropical plant Curcuma longa. It is a major ingredient of curry powder used in a lot of Indian food. Turmeric is used both for its flavor and orange-yellow coloring. Its health benefits are primarily attributed to the presence of curcuminoids, such as curcumin. Turmeric and turmeric extract are approved for use as food additives by the U.S. Food and Drug Administration (FDA) 1.