Curcumin, a well-known bioactive ingredient extracted from the roots of Curcuma longa, curcumn aromatica and curcumae zedoariae, is mainly composed of curcumin, a small amount of Demethoxcurcumin, Bisdemethoxycurcumin, the volatile oil mixture and other ingredients. Recent studies have shown that curcumin possesses wide range of potent pharmacological effects in anti-free radical anti-oxidation, anti-inflammatory, reducing blood viscosity, hypolipidemic, anti-atherosclerotic, anti-tumor activity etc., while...