See Also: purpurin(medicine)
purpurin(dictionary)
alizarin purpurin(medicine)

purpurin (iou)



purpurin noun. M19.
[from Latin purpura (see PURPLE adjective & noun) + -IN1.]
Chemistry. A red dye orig. extracted from madder and also prepared artificially by the oxidation of alizarin; 1,2,4-trihydroxyanthraquinone, C14H8O5.