PURPURIN
Source: 567
Pur″pu‐rin (?), n. (Chem.) A dyestuff resembling alizarin, found in madder root, and extracted as an orange or red crystalline substance.
Source: 567
Pur″pu‐rin (?), n. (Chem.) A dyestuff resembling alizarin, found in madder root, and extracted as an orange or red crystalline substance.