Turmeric, Curcuma longa, is a member of the Zingiberaceae family or ginger family and is closely related to cardamom, ginger and grains of paradise. It is pronounced as either "too-mer-ick" or "tur-mer-ick." Tumeric is the frequent misspelling of turmeric that you may have encountered. Turmeric is native to tropical South Asia and is a key spice in numerous Asian dishes.
With a complex, rich and woody aroma with citrus, floral and ginger undertones. The flavor is mildly sour and bitter, slightly pungent, warm and musky.
Turmeric contains three key components: essential oil (1.5% to 6%), coloring compounds known as curcuminoids (3% to 8%) and starch. The essential oil is primarily turmerone (30%), duhydrotumerone (25%) and zingiberene (25%) and is very aromatic.