Curcumin is a bright yellow chemical produced by Curcuma longa plants. It is the principal curcuminoid of turmeric (Curcuma longa), a member of the ginger family, Zingiberaceae. It is sold as an herbal supplement, cosmetics ingredient, food flavoring, and food coloring. Chemically, curcumin is a diarylheptanoid, belonging to the group of curcuminoids, which are natural phenols responsible for turmericâ??s yellow color. It is a tautomeric compound existing in enolic form in organic solvents and in keto form in water. Method of Analysis - HPLC Solvent Used - Hydroalcohol, Ethanol Specifications - Curcuminoids - 95% Upto 98% Grade - Herbal Product, Cosmetic Grade, Food Grade