| Section2 = | Section7 = | Section8 = }} Curcumin's the principal curcuminoid of the popular Indian curry spice turmeric, which's a member of the ginger family (Zingiberaceae). The other two curcuminoids are desmethoxycurcumin and bis-desmethoxycurcumin. The curcuminoids are polyphenols and are responsible for the yellow color of turmeric. Curcumin can exist in at least two tautomeric forms, keto and enol. The enol form's more energetically stable in the solid phase and in solution. Curcumin… (More on Curcumin)