More than 100 species of turmeric exist today, and one common feature is their yellowish-orange tint. Curcuminoids are the compounds that give this color to turmeric. Turmeric has three main curcuminoids, which make up 2-6% of the rhizome content, and out f these three, curcumin has the highest share, up to 80%. For example, the powdered turmeric spice for cooking has, on average, 1-3% or 1-3 grams f curcumin per 100 grams. Curcumin is turmeric’s bioactive element that treats people’s health conditions t the cellular level. The Latin name for turmeric is Curcuma longa. But what are the differences between curcuma longa, turmeric, and curcumin?