Curcumin(70%), Demethoxycurcumin(15%) and Dimethoxycurcumin(10%)are the main parts of the turmeric colour. We can see saffron yellow crystallizing or powder with our naked eyes. It is easily acetic acid glacial-soluble. It is absolute a natural pigment abstracted from the rootstalk of Zingberaceae Curcuma Longa L. by modern biotechnology.