Turmeric

Turmeric, or Curcuma longa, is a flowering plant in the ginger family Zingiberaceae. It is a perennial, rhizomatous, herbaceous plant native to the Indian subcontinent and Southeast Asia that requires temperatures between 20 and 30 °C (68 and 86 °F) and high annual rainfall to thrive. Plants are gathered each year for their rhizomes, some for propagation in the following season and some for consumption or dyeing.

The rhizomes can be used fresh, but they are often boiled in water and dried, after which they are ground into a deep orange-yellow shelf-stable spice powder commonly used as a coloring and flavoring agent in many Asian cuisines, especially for curries (curry powder). Turmeric powder has a warm, bitter, black pepper-like flavor and earthy, mustard-like aroma.

Although long used in Ayurvedic medicine, there is no high-quality clinical evidence that consuming turmeric or the principal turmeric constituent, curcumin, is effective for treating any disease.

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