Curcumin is extracted from the rhizomes of ginger plants such as turmeric. Curcumin is a rare natural diketone pigment in the plant kingdom. It can prevent automatic oxidation of linoleic acid in food. It is not only widely used as a natural high-quality food pigment. 1) Turmeric powder is a bright yellow powder made by dry grinding of mature turmeric rhizomes. Turmeric is used for food coloring and flavoring. It is rich in dietary fiber, iron, potassium, magnesium and vitamin B6. 2) Now there are also curcumin salts, which are water soluble, thus increasing the range of products that curcumin can be used for. Food field: Curcumin is a natural yellow pigment that is widely used in various foods and beverages. Health products: Curcumin can be made into capsules, tablets and other health care products that protect the liver and kidneys.