Curcumin ( CAS No. 458-37-7, Chemical formula: C21H20O6) is a bright yellow chemical produced by plants of the Curcuma longa species. 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.

Curcumin ( CAS No. 458-37-7, Chemical formula: C21H20O6) is a diarylheptanoid, belonging to the group of curcuminoids, which are phenolic pigments responsible for the yellow color of turmeric.

Curcumin can be used as medicines' raw materials mainly used in pharmaceutical field; Curcumin can be used as products for regulating menstruation, it is mainly used in health product industry;

Curcumin can be used as pigments, food additives of seasoning, it is mainly used in cosmetic industry.

The most common applications are as an ingredient in dietary supplement, in cosmetics, as flavoring for foods, such as turmeric-flavored beverages in South and Southeast Asia, and as coloring for foods, such as curry powders, mustards, butters, cheeses. As a food additive for orange-yellow coloring in prepared foods,

Curcumin has pure natural, strong coloring , good heat-resistance and good solubility. It is widely used in cakes, candy, canned foods, pickles, beverages, condiments, fried foods, etc.