Curcumin is a yellow pigment contained in the tuber of turmeric, a perennial herb. It is an orange-yellow powder. Curcumin is a plant polyphenol that includes 3 compounds: curcumin, demethoxycurcumin, and didemethoxycurcumin. Curcumin is insoluble in cold water, soluble in ethanol, propylene glycol, glacial acetic acid, and alkaline solutions; it easily changes color when exposed to iron ions, and has poor light and thermal stability. Good tinting power, especially strong for protein. Turmeric pigment can be added according to production needs.

Health benefits of turmeric
Curcumin can metabolize mutagen and indirectly inhibit the metabolism of mutagens, and has anti-mutagenic effect; it can remove free radicals, reduce the generation of peroxides, inhibit the production of arachidonic acid metabolites, inhibit the expression of cancer cells, and have anti-tumor effects. Role; can inhibit air and Fe2 +, Cu2 + oxidized lipids, nitrite oxidation of hemoglobin to prevent oxidative damage to DNA, has an antioxidant effect; can inhibit cell oxidation to modify low density lipoprotein (LDL), and oxidized low density lipoprotein in It plays an important role in atherosclerosis, and has lipid-lowering and anti-atherosclerotic effects. Some data show that curcumin has a good inhibitory effect on most bacteria, especially on Bacillus subtilis, Staphylococcus aureus and E. coli. Therefore, curcumin has anti-inflammatory, anticoagulant, anti-infection, and prevention of senile plaque formation. Physiological functions.