Noun
hemochrome (plural hemochromes)
(organic chemistry) Any of several iron–porphyrin complexes having one or two basic ligands (normally amines).
The ultra-violet (UV) to visible spectroscopic signatures of hemes are still used to identify heme type from the reduced bis-pyridine-ligated state, i.e., the pyridine hemochrome method. Source: Internet
Color The coloring matter of blood (hemochrome) is largely due to the protein in the blood responsible for oxygen transport. Source: Internet