Curcumin is a diarylheptanoid. About two centuries ago, isolation of a “yellow coloring-matter” from the rhizomes of curcuma longa (turmeric) & was named curcumin. Turmeric's other two curcuminoids are desmethoxycurcumin and bis-desmethoxy- curcumin. The curcuminoids are natural phenols that are responsible for the yellow color of turmeric. Curcumin can exist in several tautomeric forms, including a 1, 3-diketo form and two equivalent enol forms. The enol form is more energetically stable in the solid phase and in organic solvents, while in water the 1, 3-diketo dominates.
Curcumin can be used for boron quantification in the curcumin method. It reacts with boric acid to form a red-color compound, rosocyanine. Curcumin is a bright-yellow color powder and may be used as a food coloring. Curcumin is powerful anti-inflammatory effects and is a very strong antioxidant. Combat cancer stem cells and enhance heart health and inhibit the formation of ldl (bad) cholesterol.
It Is Orange Crystalline Powder With Its Melting Point Of 183 °C. It Is Slightly Soluble In Hot Water
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